2304:
1122:
350:
322:
2318:
1030:
272:
935:
254:
736:
850:
690:
815:
113:
894:
357:
329:
1633:
974:
455:
is found in the zone. The Lower
Chamita Tuffaceous Zone has a radiometric age of 7.7 ±0.3 million years. The age range for the complete section has been estimated as 9.5 to 5.8 million years. However, more recent work has yielded an age range of 12 to 13 Ma for a Lower Coarse White Ash Zone towards
2470:
Koning, Daniel J.; Grauch, V. J. S.; Connell, Sean D.; Ferguson, John; McIntosh, William; Slate, Janet L.; Wan, Elmira; Baldridge, W. Scott (1 April 2013). "Structure and tectonic evolution of the eastern Española Basin, Rio Grande rift, north-central New Mexico".
2377:
Bryan, Kirk; McCann, Franklin T. (November 1937). "The Ceja Del Rio Puerco: A Border
Feature of the Basin and Range Province in New Mexico: I. Stratigraphy and Structure".
479:. In other words, the lower part of the formation contains sediments eroded from the Ojo Caliente Member, rather than recording a fluctuating depositional environment.
443:
shows that the age of the Upper
Chamita Tuffaceous Zone is 6.93 ±0.05 million years at its base and 6.78 ±0.03 million years at its top, essentially identical with the
2331:
2052:
Phylogenetic systematics of the North
American fossil Caninae (Carnivora, Canidae). (Bulletin of the American Museum of Natural History, no. 325)
1643:
1381:
321:
349:
2535:
2415:
1809:
In 1971, Galusha and Blick split the uppermost beds from the
Tesuque Formation as the Chamita Formation based on differences in
2111:"Late Hemphillian (Late Miocene) vertebrate fauna from the Black Mesa Quarry, Chamita Formation, Rio Arriba County, New Mexico"
216:
2488:
2130:
1934:"Description of a new Late Miocene American Badger (Taxidiinae) utilizing high-resolution x-ray computed tomography"
409:, gives the absolute age of the fossils, which is valuable for establishing the geologic time scale of the Neogene.
1393:
1360:
1798:
The beds making up the unit were originally included by Bryan and McCann in 1937 in the Middle Red member of the
2499:
2443:
1261:
2350:
1753:
1696:
1615:
1546:
1465:
1287:
1217:
1100:
1056:
996:
956:
909:
797:
760:
714:
665:
439:. Each is about 30 meters (98 feet) thick and they are separated by 80 meters (260 feet) of tan sediments.
209:
1655:
872:
1992:"Phylogenetic systematics of the Borophaginae (Carnivora, Canidae). Bulletin of the AMNH ; no. 243"
2336:
1933:
2020:
1121:
1799:
475:. This is interpreted as reworking of sediments in a changed sedimentation environment rather than
136:
1250:
2161:"The Archaeolaginae (Mammalia, Lagomorpha) of North America, Excluding Archaeolagus and Panolax"
197:
2309:
2007:
1018:
468:
436:
2500:"40Ar/39Ar geochronology of tephra layers in the Santa Fe Group, Espanola Basin, New Mexico"
2386:
1014:
126:
447:, which it also chemically resembles. This helps establish the absolute date for the late
8:
2323:
1022:
707:
383:
292:
2390:
494:
The Round
Mountain Quarry has produced numerous fossils from the Chamita Formation. The
2402:
2256:
2188:
2136:
1953:
440:
406:
2484:
2406:
2248:
2214:
2180:
2140:
2126:
2110:
1957:
1949:
1803:
886:
505:
482:
Members of the formation include the Cejita and
Cuarteles Members west of the modern
472:
156:
2260:
486:
and the Pilar Mesa, Vallito, and
Hernandez Members on both sides of the Rio Grande.
467:
The base of the formation contains sediments resembling the underlying Ojo
Caliente
2476:
2394:
2176:
2172:
2118:
2056:
2050:
1995:
1991:
1945:
1662:
1107:
916:
767:
721:
671:
483:
398:
457:
452:
424:
with some coarse gravel. It varies greatly in thickness, likely due to extensive
1580:
1537:
476:
146:
2480:
2245:
Revision of the extinct pseudoceratinae: (Artiodactyla: Ruminantia: Gelocidae)
2529:
2252:
2184:
1711:
1404:
1348:
1074:
1029:
277:
231:
218:
71:
29:
1703:
1680:
1316:
1040:
927:
882:
825:
807:
728:
682:
514:
499:
444:
402:
934:
2473:
New
Perspectives on Rio Grande Rift Basins: From Tectonics to Groundwater
1737:
1719:
1370:
753:
577:
495:
448:
46:
2122:
2192:
2160:
1603:
1557:
1003:
735:
700:
563:
509:
432:
387:
259:
91:
56:
2109:
Morgan, Gary S.; Koning, Daniel J.; Lucas, Spencer G. (January 2005).
1871:
849:
2444:"Proposed members of the Chamita Formation, north-central New Mexico"
2060:
1999:
1810:
1782:
1726:
1669:
1592:
1296:
1278:
1268:
1231:
1173:
1141:
984:
814:
803:"F:AM 27365, left ramal fragment with m1 broken–m2 and m3 alveolus".
785:
689:
653:
621:
421:
193:
179:
96:
40:
112:
2398:
1506:
1486:
1257:
1186:
86:
81:
66:
61:
51:
893:
1771:
1759:
1625:
1588:
1565:
1483:
1472:
1456:
1078:
1063:
1010:
966:
920:
860:
774:
675:
570:
461:
425:
395:
391:
101:
76:
33:
1632:
1425:
1089:
945:
842:
418:
2049:
Tedford, Richard H.; Wang, Xiaoming; Taylor, Beryl E. (2009).
1990:
Wang, Xiaoming; Tedford, Richard H.; Taylor, Beryl E. (1999).
456:
the base of the formation, which is thickest northeast of the
1775:
1767:
1763:
1715:
1707:
1584:
1573:
1569:
1561:
1553:
1476:
1224:
1067:
746:
541:
2247:. Florida Museum of Natural History, University of Florida.
117:
Chamita Formation near the type section, Chamita, New Mexico
2469:
1888:
1886:
1877:
1190:
189:
2279:
1628:& the most common species from the Black Mesa Quarry.
2223:
New Mexico Museum of Natural History and Science Bulletin
1910:
1835:
1823:
1114:
973:
1883:
1847:
460:
and has been interpreted as ash fall from early silicic
2332:
List of fossiliferous stratigraphic units in New Mexico
2267:
1859:
838:"An almost complete skull with left and right I1-M1".
2451:
New Mexico Geological Society Field Conference Series
2299:
1898:
674:(F:AM 67048, F:AM 67049, F:AM 67052) & a right
2358:
New Mexico Geologic Society Field Conference Series
1766:45105), 3 associated fragments of an upper molar (
2423:Bulletin of the American Museum of Natural History
464:activity from vents now buried under later flows.
2108:
2048:
1989:
2527:
2416:"Stratigraphy of the Santa Fe Group, New Mexico"
2351:"The Santa Fe Group of north-central New Mexico"
2055:. : American Museum of Natural History.
2497:
1853:
435:zones used by Galusha and Blick for regional
2413:
1916:
1892:
1841:
1829:
536:
508:area, as was the only known specimen of the
2376:
2273:
1793:
2117:. New Mexico Geological Society: 408–415.
504:was first located in the formation in the
111:
2498:McIntosh, William C.; Quade, Jay (1995).
2442:Koning, Daniel J.; Aby, Scott B. (2005).
2441:
1904:
1865:
1299:remains undiagnostic below family level.
1271:, specimen possibly from this formation.
1196:A leporid, specimen formerly assigned to
356:
328:
2219:from the Miocene of northern New Mexico"
1504:
1423:
1314:
1139:
619:
2507:New Mexico Geological Society Guidebook
2348:
2285:
2528:
2104:
2102:
2100:
2098:
2096:
2094:
2092:
2090:
1591:as taxonomy of the family is based on
2414:Galusha, Ted; Blick, John C. (1971).
2238:
2236:
2212:
2208:
2206:
2204:
2202:
2158:
2154:
2152:
2150:
2088:
2086:
2084:
2082:
2080:
2078:
2076:
2074:
2072:
2070:
2044:
2042:
2040:
2038:
2036:
2034:
2032:
2030:
1985:
1983:
1981:
1979:
1977:
1975:
1973:
1971:
1969:
1967:
878:Skull, vertebral & limb remains.
336:Chamita Formation (the United States)
2242:
1931:
1927:
1925:
885:dog, locality may instead be of the
451:, since a fossil assemblage of that
405:beds in the formation, which can be
2215:"Re-evaluation of the proboscidean
1509:reported from the Chamita Formation
1428:reported from the Chamita Formation
1319:reported from the Chamita Formation
1144:reported from the Chamita Formation
624:reported from the Chamita Formation
593:Uncertain or tentative taxa are in
13:
2233:
2213:Lucas, Spencer G. (January 2018).
2199:
2165:Journal of Vertebrate Paleontology
2147:
2067:
2027:
1964:
1631:
1542:Genus & species indeterminate
1461:Genus & species indeterminate
1283:Genus & species indeterminate
1120:
1028:
972:
933:
892:
848:
813:
734:
688:
14:
2547:
1922:
553:Taxon falsely reported as present
489:
2536:Neogene formations of New Mexico
2316:
2302:
1950:10.1111/j.1475-4983.2006.00590.x
1394:San Ildefonso Pueblo, New Mexico
1361:San Ildefonso Pueblo, New Mexico
1307:
355:
348:
327:
320:
270:
252:
44:
18:Geologic formation in New Mexico
1932:Owen, Pamela R. (August 2006).
1501:
1420:
1311:
1136:
616:
558:Dubious taxon or junior synonym
417:The formation is mostly coarse
2177:10.1080/02724634.1988.10011674
1583:, cannot be identified to any
612:
412:
364:Chamita Formation (New Mexico)
1:
2342:
1754:Rio Arriba County, New Mexico
1697:Rio Arriba County, New Mexico
1616:Rio Arriba County, New Mexico
1547:Rio Arriba County, New Mexico
1466:Rio Arriba County, New Mexico
1288:Rio Arriba County, New Mexico
1218:Rio Arriba County, New Mexico
1132:
1101:Rio Arriba County, New Mexico
1057:Rio Arriba County, New Mexico
997:Rio Arriba County, New Mexico
957:Rio Arriba County, New Mexico
910:Rio Arriba County, New Mexico
798:Rio Arriba County, New Mexico
761:Rio Arriba County, New Mexico
715:Rio Arriba County, New Mexico
666:Rio Arriba County, New Mexico
339:Show map of the United States
1816:
1572:45116) & entocuneiform (
1497:
7:
2295:
1656:Santa Fe County, New Mexico
1552:Partial lower cheek tooth (
1392:Battleship Mountain on the
1359:Battleship Mountain on the
1293:Teeth & limb elements.
873:Santa Fe County, New Mexico
796:Black Mesa, San Ildefonso,
520:
10:
2552:
2349:Baldwin, Brewster (1956).
2337:Paleontology in New Mexico
2115:Geology of the Chama Basin
1778:45129) & 5 vertebrae.
1702:Two possibly associated
1416:
1399:A lower jaw (F:AM 21140).
1366:A lower jaw (F:AM 21140).
607:
1854:McIntosh & Quade 1995
1770:45106), a partial distal
1621:Teeth & metatarsals.
1171:
858:
527:
523:
314:
306:
298:
288:
283:
265:
247:
208:
203:
185:
175:
170:
162:
152:
142:
132:
122:
110:
28:
23:
1917:Galusha & Blick 1971
1893:Galusha & Blick 1971
1842:Galusha & Blick 1971
1830:Galusha & Blick 1971
1794:History of investigation
1223:Left upper cheek tooth (
1013:dog also known from the
678:fragment (F:AM 107703).
525:
431:There are two prominent
2274:Bryan & McCann 1937
2243:Webb, S. David (2008).
2159:White, John A. (1988).
1813:and fossil assemblage.
1654:Round Mountain Quarry,
1251:Albuquerque, New Mexico
995:Round Mountain Quarry,
908:Round Mountain Quarry,
664:Round Mountain Quarry,
2379:The Journal of Geology
2015:Cite journal requires
1636:
1402:Regarded a synonym of
1125:
1033:
977:
938:
897:
853:
818:
739:
693:
601:taxa are discredited.
390:. It preserves unique
367:Show map of New Mexico
2481:10.1130/2013.2494(08)
2310:Earth sciences portal
1905:Koning & Aby 2005
1866:Koning & Aby 2005
1635:
1124:
1032:
976:
937:
896:
852:
817:
738:
692:
407:radiometrically dated
166:210 metres (690 feet)
1002:Skull remains &
232:36.0783°N 106.0864°W
127:Geological formation
2391:1937JG.....45..801B
2324:Paleontology portal
2288:, pp. 115–116.
2123:10.56577/ffc-56.408
1802:. This became the
1752:Black Mesa Quarry,
1695:Black Mesa Quarry,
1665:& 2 mandibles.
1614:Black Mesa Quarry,
1545:Black Mesa Quarry,
1464:Black Mesa Quarry,
1286:Black Mesa Quarry,
1216:Black Mesa Quarry,
1055:Black Mesa Quarry,
394:dating back to the
293:Chamita, New Mexico
228: /
30:Stratigraphic range
1878:Koning et al. 2013
1800:Santa Fe Formation
1637:
1126:
1034:
978:
939:
898:
854:
819:
740:
694:
548:Reclassified taxon
441:Radiometric dating
401:. The presence of
384:geologic formation
237:36.0783; -106.0864
1804:Tesuque Formation
1791:
1790:
1495:
1494:
1414:
1413:
1305:
1304:
1130:
1129:
887:Tesuque Formation
871:Pojoaque Member,
759:Leyden Locality,
605:
604:
596:
584:
583:
580:
573:
566:
559:
554:
549:
544:
473:Tesuque Formation
386:in north-central
380:Chamita Formation
376:
375:
302:Galusha and Blick
157:Tesuque Formation
24:Chamita Formation
2543:
2522:
2520:
2518:
2504:
2494:
2466:
2464:
2462:
2448:
2438:
2436:
2434:
2420:
2410:
2373:
2371:
2369:
2355:
2326:
2321:
2320:
2319:
2312:
2307:
2306:
2305:
2289:
2283:
2277:
2271:
2265:
2264:
2240:
2231:
2230:
2210:
2197:
2196:
2156:
2145:
2144:
2106:
2065:
2064:
2046:
2025:
2024:
2018:
2013:
2011:
2003:
1987:
1962:
1961:
1929:
1920:
1914:
1908:
1902:
1896:
1890:
1881:
1875:
1869:
1863:
1857:
1851:
1845:
1839:
1833:
1827:
1502:
1421:
1388:T. riograndensis
1355:G. riograndensis
1312:
1137:
617:
594:
576:
569:
562:
557:
552:
547:
540:
537:
521:
484:Rio Grande River
368:
359:
358:
352:
340:
331:
330:
324:
276:
274:
273:
258:
256:
255:
243:
242:
240:
239:
238:
233:
229:
226:
225:
224:
221:
115:
106:
43:
21:
20:
2551:
2550:
2546:
2545:
2544:
2542:
2541:
2540:
2526:
2525:
2516:
2514:
2502:
2491:
2460:
2458:
2446:
2432:
2430:
2418:
2367:
2365:
2353:
2345:
2322:
2317:
2315:
2308:
2303:
2301:
2298:
2293:
2292:
2284:
2280:
2272:
2268:
2241:
2234:
2211:
2200:
2157:
2148:
2133:
2107:
2068:
2047:
2028:
2016:
2014:
2005:
2004:
1988:
1965:
1944:(5): 999–1011.
1930:
1923:
1915:
1911:
1903:
1899:
1891:
1884:
1876:
1872:
1864:
1860:
1852:
1848:
1840:
1836:
1828:
1824:
1819:
1796:
1710:45101, right
1610:D. interpolatus
1579:A medium-sized
1556:45103), distal
1500:
1419:
1310:
1246:H. ringoldensis
1193:(FAM) 116845).
1135:
1096:V. stenognathus
713:Leyden Quarry,
615:
610:
592:
535:
492:
458:Jemez Mountains
415:
372:
371:
370:
369:
366:
365:
362:
361:
360:
343:
342:
341:
338:
337:
334:
333:
332:
271:
269:
253:
251:
236:
234:
230:
227:
222:
219:
217:
215:
214:
118:
105:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
38:
37:
19:
12:
11:
5:
2549:
2539:
2538:
2524:
2523:
2495:
2489:
2467:
2439:
2411:
2399:10.1086/624608
2385:(8): 801–828.
2374:
2344:
2341:
2340:
2339:
2334:
2328:
2327:
2313:
2297:
2294:
2291:
2290:
2278:
2266:
2232:
2198:
2171:(4): 425–450.
2146:
2131:
2066:
2026:
2017:|journal=
1963:
1921:
1909:
1897:
1882:
1870:
1868:, p. 261.
1858:
1846:
1834:
1821:
1820:
1818:
1815:
1795:
1792:
1789:
1788:
1786:
1779:
1757:
1750:
1741:
1733:
1732:
1730:
1723:
1700:
1693:
1684:
1676:
1675:
1673:
1666:
1659:
1652:
1647:
1639:
1638:
1629:
1622:
1619:
1612:
1607:
1599:
1598:
1596:
1577:
1550:
1543:
1540:
1538:Antilocapridae
1534:
1533:
1530:
1527:
1522:
1519:
1516:
1512:
1511:
1499:
1496:
1493:
1492:
1490:
1480:
1469:
1462:
1459:
1453:
1452:
1449:
1446:
1441:
1438:
1435:
1431:
1430:
1418:
1415:
1412:
1411:
1409:
1400:
1397:
1390:
1385:
1377:
1376:
1374:
1367:
1364:
1357:
1352:
1344:
1343:
1340:
1337:
1332:
1329:
1326:
1322:
1321:
1309:
1306:
1303:
1302:
1300:
1294:
1291:
1284:
1281:
1275:
1274:
1272:
1265:
1254:
1248:
1238:
1237:
1235:
1228:
1221:
1214:
1204:
1203:
1201:
1194:
1184:
1182:
1177:
1169:
1168:
1165:
1162:
1157:
1154:
1151:
1147:
1146:
1134:
1131:
1128:
1127:
1118:
1111:
1104:
1098:
1093:
1085:
1084:
1082:
1071:
1062:Partial right
1060:
1053:
1044:
1036:
1035:
1026:
1007:
1000:
993:
988:
980:
979:
970:
963:
962:Jaw elements.
960:
954:
949:
941:
940:
931:
924:
913:
906:
900:
899:
890:
879:
876:
869:
864:
856:
855:
846:
839:
836:
834:
829:
821:
820:
811:
804:
801:
794:
789:
781:
780:
778:
771:
770:(F:AM 27388).
764:
757:
750:
742:
741:
732:
725:
724:(F:AM 61637).
718:
711:
704:
696:
695:
686:
679:
669:
662:
657:
649:
648:
645:
642:
637:
634:
631:
627:
626:
614:
611:
609:
606:
603:
602:
587:
585:
582:
581:
574:
567:
560:
555:
550:
545:
529:
528:
526:
524:
491:
490:Fossil content
488:
477:interfingering
414:
411:
374:
373:
363:
354:
353:
347:
346:
345:
344:
335:
326:
325:
319:
318:
317:
316:
315:
312:
311:
308:
304:
303:
300:
296:
295:
290:
286:
285:
281:
280:
267:
263:
262:
249:
245:
244:
212:
206:
205:
201:
200:
187:
183:
182:
177:
173:
172:
168:
167:
164:
160:
159:
154:
150:
149:
147:Puye Formation
144:
140:
139:
137:Santa Fe Group
134:
130:
129:
124:
120:
119:
116:
108:
107:
100:
95:
90:
85:
80:
75:
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55:
50:
45:
26:
25:
17:
9:
6:
4:
3:
2:
2548:
2537:
2534:
2533:
2531:
2512:
2508:
2501:
2496:
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2490:9780813724942
2486:
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2258:
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2250:
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2194:
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2166:
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2155:
2153:
2151:
2142:
2138:
2134:
2132:9781585460915
2128:
2124:
2120:
2116:
2112:
2105:
2103:
2101:
2099:
2097:
2095:
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2087:
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2083:
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2079:
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2075:
2073:
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2062:
2058:
2054:
2053:
2045:
2043:
2041:
2039:
2037:
2035:
2033:
2031:
2022:
2009:
2001:
1997:
1993:
1986:
1984:
1982:
1980:
1978:
1976:
1974:
1972:
1970:
1968:
1959:
1955:
1951:
1947:
1943:
1939:
1938:Palaeontology
1935:
1928:
1926:
1919:, p. 76.
1918:
1913:
1906:
1901:
1894:
1889:
1887:
1879:
1874:
1867:
1862:
1855:
1850:
1844:, p. 71.
1843:
1838:
1832:, p. 74.
1831:
1826:
1822:
1814:
1812:
1807:
1805:
1801:
1787:
1784:
1780:
1777:
1773:
1769:
1765:
1761:
1758:
1755:
1751:
1749:
1745:
1742:
1740:
1739:
1735:
1734:
1731:
1728:
1724:
1721:
1718:45102, right
1717:
1713:
1709:
1705:
1701:
1698:
1694:
1692:
1688:
1685:
1683:
1682:
1678:
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1536:
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1442:
1439:
1436:
1433:
1432:
1429:
1427:
1422:
1410:
1407:
1406:
1405:Gomphotherium
1401:
1398:
1395:
1391:
1389:
1386:
1384:
1383:
1379:
1378:
1375:
1372:
1368:
1365:
1362:
1358:
1356:
1353:
1351:
1350:
1349:Gomphotherium
1346:
1345:
1341:
1338:
1336:
1333:
1330:
1327:
1324:
1323:
1320:
1318:
1317:Proboscideans
1313:
1308:Proboscideans
1301:
1298:
1295:
1292:
1289:
1285:
1282:
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1277:
1276:
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1226:
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1199:
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1076:
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1024:
1020:
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1005:
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986:
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948:
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907:
905:
902:
901:
895:
891:
888:
884:
880:
877:
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870:
868:
865:
863:
862:
857:
851:
847:
844:
840:
837:
835:
833:
830:
828:
827:
823:
822:
816:
812:
809:
805:
802:
799:
795:
793:
790:
788:
787:
783:
782:
779:
776:
772:
769:
766:Left partial
765:
762:
758:
756:
755:
751:
749:
748:
744:
743:
737:
733:
730:
726:
723:
719:
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702:
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641:
638:
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629:
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623:
618:
600:
591:
588:
586:
579:
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572:
568:
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561:
556:
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546:
543:
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531:
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323:
313:
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297:
294:
291:
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279:
278:United States
268:
264:
261:
250:
246:
241:
213:
211:
207:
202:
199:
195:
191:
188:
184:
181:
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165:
161:
158:
155:
151:
148:
145:
141:
138:
135:
131:
128:
125:
121:
114:
109:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
42:
35:
31:
27:
22:
16:
2515:. Retrieved
2510:
2506:
2472:
2459:. Retrieved
2454:
2450:
2431:. Retrieved
2426:
2422:
2382:
2378:
2366:. Retrieved
2361:
2357:
2286:Baldwin 1956
2281:
2269:
2244:
2226:
2222:
2216:
2168:
2164:
2114:
2051:
2008:cite journal
1941:
1937:
1912:
1900:
1895:, p. 7.
1873:
1861:
1849:
1837:
1825:
1808:
1797:
1747:
1743:
1736:
1690:
1686:
1681:Hemiauchenia
1679:
1649:
1644:Floridameryx
1642:
1609:
1602:
1581:antilocaprid
1524:
1505:
1443:
1424:
1403:
1387:
1380:
1354:
1347:
1334:
1315:
1245:
1241:
1211:
1207:
1197:
1179:
1172:
1159:
1140:
1095:
1088:
1050:
1046:
1041:Pseudaelurus
1039:
1025:formations.
990:
983:
951:
944:
903:
866:
859:
831:
826:Chamitataxus
824:
791:
784:
752:
745:
706:
699:
659:
652:
639:
620:
598:
589:
532:
515:Chamitataxus
513:
500:Osbornoceros
498:
493:
481:
466:
445:Peralta Tuff
430:
416:
403:volcanic ash
379:
377:
307:Year defined
284:Type section
198:conglomerate
39:13–5.8
15:
2217:Tatabelodon
1748:M. matthewi
1738:Megatylopus
1560:fragment (
1382:Tatabelodon
1371:gomphothere
1051:P. hibbardi
1019:Snake Creek
1004:metatarsals
991:L. matthewi
928:borophagine
883:borophagine
808:borophagine
729:borophagine
708:B. secundus
683:borophagine
660:A. taxoides
622:Carnivorans
613:Carnivorans
599:crossed out
578:Morphotaxon
496:artiodactyl
449:Hemphillian
437:correlation
413:Description
235: /
223:106°05′11″W
210:Coordinates
2343:References
2229:: 485–488.
1762:fragment (
1706:elements (
1604:Dinohippus
1593:horn cores
1558:metapodial
1212:H. gidleyi
1180:H. gidleyi
1142:Lagomorphs
1133:Lagomorphs
1015:Ash Hollow
867:E. haydeni
701:Borophagus
595:small text
564:Ichnotaxon
433:tuffaceous
388:New Mexico
260:New Mexico
220:36°04′42″N
2517:10 August
2513:: 279–287
2457:: 258–278
2407:128563355
2364:: 115–121
2253:248636605
2185:0272-4634
2141:130327888
2061:2246/5999
2000:2246/1588
1958:128919144
1817:Footnotes
1811:lithology
1806:in 1956.
1650:F. klausi
1521:Presence
1507:Ungulates
1498:Ungulates
1440:Presence
1331:Presence
1279:Leporidae
1174:Hypolagus
1156:Presence
1023:Esmeralda
985:Leptocyon
952:E. davisi
915:Multiple
904:E. saevus
832:C. avitus
786:Carpocyon
676:maxillary
654:Aelurodon
636:Presence
533:Color key
510:taxideine
422:sandstone
289:Named for
194:siltstone
180:Sandstone
171:Lithology
163:Thickness
143:Underlies
2530:Category
2296:See also
2261:54194704
1712:pisiform
1576:45117).
1564:45104),
1525:Material
1487:mandible
1479:45125).
1444:Material
1335:Material
1264:A7960).
1258:mandible
1227:45110).
1198:H. vetus
1187:Mandible
1160:Material
1106:Several
1070:45109).
921:maxillae
792:C. webbi
754:C. ferox
640:Material
512:badger,
462:volcanic
299:Named by
204:Location
153:Overlies
2387:Bibcode
2193:4523165
1783:camelid
1772:humerus
1760:Dentary
1727:camelid
1691:H. vera
1670:gelocid
1589:species
1566:humeral
1532:Images
1518:Species
1482:A tiny
1473:dentary
1457:Muridae
1451:Images
1437:Species
1426:Rodents
1417:Rodents
1342:Images
1328:Species
1297:Leporid
1269:leporid
1232:leporid
1167:Images
1153:Species
1077:-sized
1064:dentary
861:Epicyon
647:Images
633:Species
608:Mammals
571:Ootaxon
502:osborni
471:of the
426:erosion
396:Neogene
392:fossils
266:Country
176:Primary
133:Unit of
34:Neogene
2487:
2461:14 May
2433:13 May
2405:
2368:13 May
2259:
2251:
2191:
2183:
2139:
2129:
1956:
1704:carpal
1568:head (
1090:Vulpes
1021:&
1011:canine
967:canine
946:Eucyon
919:&
843:badger
775:canine
469:Member
419:quartz
399:period
275:
257:
248:Region
2503:(PDF)
2447:(PDF)
2419:(PDF)
2403:S2CID
2354:(PDF)
2257:S2CID
2189:JSTOR
2137:S2CID
1954:S2CID
1776:NMMNH
1768:NMMNH
1764:NMMNH
1720:lunar
1716:NMMNH
1708:NMMNH
1626:equid
1585:genus
1574:NMMNH
1570:NMMNH
1562:NMMNH
1554:NMMNH
1529:Notes
1515:Genus
1484:murid
1477:NMMNH
1471:Left
1448:Notes
1434:Genus
1339:Notes
1325:Genus
1225:NMMNH
1164:Notes
1150:Genus
1079:felid
1068:NMMNH
969:dog.
930:dog.
810:dog.
777:dog.
768:ramus
747:Canis
731:dog.
722:ramus
720:Left
685:dog.
644:Notes
630:Genus
590:Notes
542:Taxon
506:Lyden
453:stage
382:is a
186:Other
2519:2020
2485:ISBN
2463:2020
2435:2020
2370:2020
2249:OCLC
2181:ISSN
2127:ISBN
2021:help
1746:cf.
1689:cf.
1663:rami
1262:BUNM
1244:cf.
1210:cf.
1191:AMNH
1108:rami
1075:puma
1049:cf.
917:rami
672:Rami
378:The
310:1971
190:Tuff
123:Type
47:PreꞒ
2477:doi
2429:(1)
2427:144
2395:doi
2173:doi
2119:doi
2057:hdl
1996:hdl
1946:doi
1722:).
1661:14
1624:An
1587:or
1115:fox
2532::
2511:46
2509:.
2505:.
2483:.
2475:.
2455:56
2453:.
2449:.
2425:.
2421:.
2401:.
2393:.
2383:45
2381:.
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2235:^
2227:79
2225:.
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2201:^
2187:.
2179:.
2167:.
2163:.
2149:^
2135:.
2125:.
2113:.
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2029:^
2012::
2010:}}
2006:{{
1994:.
1966:^
1952:.
1942:49
1940:.
1936:.
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1781:A
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1744:M.
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1687:H.
1672:.
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1242:H.
1234:.
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1200:.
1117:.
1113:A
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1103:.
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1047:P.
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1009:A
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999:.
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912:.
889:.
881:A
875:.
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841:A
806:A
800:.
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763:.
727:A
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681:A
668:.
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518:.
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196:,
192:,
97:Pg
41:Ma
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1998::
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1774:(
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102:N
92:K
87:J
82:T
77:P
72:C
67:D
62:S
57:O
52:Ꞓ
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