161:
25:
141:
307:
Although dissimilar in overall appearance, gophers have been united with kangaroo rats into a common superfamily for a considerable time. The superfamily
Geomyoidea is among the few superfamilial relationships in rodents that is not subject to much controversy. Overall
389:
The masseter muscle does attach directly behind the zygomatic arch in a manner very different from sciuromorphs. Some authorities consider geomyoids myomorphs based on this feature. This suggests they may be related to
410:
The family †Eomyidae is alternatively referred to as a member of the superfamily
Geomyoidea or as a separate superfamily (†Eomyoidea) within the shared infraorder "Geomorpha" (which is also used for a
422:. Sometimes the pocket gophers and heteromyids are placed as separate subfamilies within a single family (Geomyidae). These subfamilies are Geomyinae and Heteromyinae respectively.
414:). †Florentiamyidae and †Heliscomyidae are usually placed within the superfamily Geomyoidea regardless of if eomyids are treated as a separate superfamily or not (Korth
339:. This condition is so pronounced and the snout so narrow in heteromyids that the infraorbital canals from either side connect. Essentially, if the
446:
1270:
374:
does not pass through the infraorbital canal; it cannot due to the position of the canal. Some authorities consider the geomyoids related to
418:, 1991). McKenna and Bell (1997) do not recognize heliscomyids as a distinct family, placing the one or two heliscomyid genera in Geomyoidea
433:
346:
Modern geomyoids are mostly restricted to North
America, but some representatives have extended their range into South America since the
89:
61:
703:
676:
108:
68:
46:
1265:
75:
42:
347:
160:
57:
1260:
237:
35:
1237:
1172:
331:, geomyoids have an infraorbital canal that faces to the side. Instead of passing through the
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8:
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1080:
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313:
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672:
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327:. Unlike all other rodents who have the opening of the infraorbital canal facing
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468:
411:
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371:
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of a heteromyid is viewed from the side, the viewer can see directly through it.
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332:
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Cladogram showing interrelationships among geomyoid families following Korth
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1120:
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1166:
24:
1189:
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660:
and recognition of the family
Heliscomyidae (Geomyoidea: Rodentia)
515:
456:
399:
391:
375:
351:
335:, the infraorbital canal of geomyoids has moved to the side of the
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Geomyoids are most noticeably characterized by the position of the
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1044:
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Korth, W.W., J.H. Wahlert, and R.J. Emry, 1991. A new species of
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713:
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212:
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182:
140:
130:
1011:
340:
1096:
794:(Squirrels, chipmunks, marmots, susliks and prairie dogs)
711:
49:. Unsourced material may be challenged and removed.
671:Columbia University Press, New York, 631 pp.
669:Classification of Mammals Above the Species Level.
916:(Zokors, bamboo rats, mole rats, blind mole rats)
1252:
667:McKenna, Malcolm C., and Bell, Susan K. 1997.
697:
362:Geomyoids have been considered to be either
357:
704:
690:
139:
350:. Fossil taxa are known from throughout
109:Learn how and when to remove this message
1271:Taxa named by Charles Lucien Bonaparte
1253:
891:(Jerboas, jumping mice and birch mice)
602:(kangaroo rats and mice, pocket mice)
1171:
1170:
855:(Kangaroo rats and mice, pocket mice)
685:
484:- kangaroo rats and mice, pocket mice
47:adding citations to reliable sources
18:
13:
662:Journal of Vertebrate Paleontology
302:
287:that contains the pocket gophers (
14:
1282:
370:depending on the authority. The
159:
23:
320:all support this relationship.
291:), the kangaroo rats and mice (
34:needs additional citations for
1:
932:(Malagasy rats and relatives)
650:
1131:(Spiny rats, coypus, hutias)
7:
1155:(Chinchillas and viscachas)
948:(House mouse and relatives)
405:
10:
1287:
1073:(New World hystricognaths)
348:Great American Interchange
1179:
994:
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712:Extant families in order
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358:Relation to other rodents
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156:Scientific classification
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138:
125:
940:(Hamsters and relatives)
1107:(Agoutis and acouchis)
1083:(New World porcupines)
1030:(Old World porcupines)
427:Superfamily Geomyoidea
129:Temporal range: Early
16:Superfamily of rodents
1233:Paleobiology Database
1139:(Degus and relatives)
924:(Mouse-like hamsters)
312:, the fossil record,
1266:Mammal superfamilies
412:genus of shield-bugs
283:is a superfamily of
43:improve this article
1022:(Laotian rock rat)
1002:("Porcupine-like")
965:("Anomalure-like")
908:(Oriental dormice)
906:Platacanthomyidae
325:infraorbital canal
314:molecular analyses
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1173:Taxon identifiers
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1147:(Chinchilla rats)
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778:(Mountain beaver)
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766:("Squirrel-like")
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586:(pocket gophers)
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1261:Geomyoid rodents
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1012:Ctenodactylidae
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847:(Pocket gophers)
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750:Euarchontoglires
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477:- pocket gophers
384:mountain beavers
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1081:Erethizontidae
1001:
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959:Anomaluromorpha
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811:("Beaver-like")
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562:Florentiamyidae
469:Florentiamyidae
447:Meliakrouniomys
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386:on this basis.
372:masseter muscle
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303:Characteristics
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264:Florentiamyidae
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1153:Chinchillidae
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1110:
1105:Dasyproctidae
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1061:Thryonomyidae
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439:incertae sedis
420:incertae sedis
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398:, and perhaps
364:sciuromorphous
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1137:Octodontidae
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1053:Petromuridae
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985:(Springhares)
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922:Calomyscidae
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853:Heteromyidae
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805:Castorimorpha
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539:Heliscomyidae
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295:), and their
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259:Heliscomyidae
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229:Superfamily:
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223:Castorimorpha
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99:November 2007
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63:
60: –
59:
55:
54:Find sources:
48:
44:
38:
37:
32:This article
30:
26:
21:
20:
1180:
1145:Abrocomidae
1123:(Tuco-tucos)
1121:Ctenomyidae
1097:Cuniculidae
1071:Caviomorpha
1055:(Dassie rat)
1028:Hystricidae
1020:Diatomyidae
977:(Anomalures)
837:
760:Sciuromorpha
748:Superorder:
742:Infraclass:
668:
661:
657:
600:Heteromyidae
598:
582:
559:
536:
513:
501:
491:
489:
482:Heteromyidae
450:
445:
437:
432:
426:
419:
415:
409:
388:
361:
345:
322:
318:biogeography
306:
293:Heteromyidae
280:
279:
272:Heteromyidae
251:
232:
149:Kangaroo rat
120:
105:
96:
86:
79:
72:
65:
58:"Geomyoidea"
53:
41:Please help
36:verification
33:
1205:Wikispecies
1129:Echimyidae
1113:Dinomyidae
1063:(Cane rats)
938:Cricetidae
930:Nesomyidae
914:Spalacidae
828:Castoridae
821:Castoroidea
368:myomorphous
299:relatives.
1255:Categories
1181:Geomyoidea
1115:(Pacarana)
1047:(Blesmols)
1038:Phiomorpha
983:Pedetidae
889:Dipodidae
882:Dipodoidea
845:Geomyidae
838:Geomyoidea
792:Sciuridae
658:Heliscomys
651:References
502:Geomyoidea
310:morphology
281:Geomyoidea
233:Geomyoidea
219:Suborder:
126:Geomyoidea
69:newspapers
1211:Geomorpha
1089:Caviidae
866:Myomorpha
830:(Beavers)
786:(Dormice)
784:Gliridae
724:Kingdom:
584:Geomyidae
475:Geomyidae
434:Griphomys
376:squirrels
289:Geomyidae
268:Geomyidae
246:Families
238:Bonaparte
179:Kingdom:
173:Eukaryota
1225:42408581
1196:Q1757560
1190:Wikidata
1091:(Cavies)
1014:(Gundis)
946:Muridae
899:Muroidea
744:Eutheria
738:Mammalia
732:Chordata
730:Phylum:
726:Animalia
714:Rodentia
516:Eomyidae
494:(1991):
467:Family †
461:Family †
457:Eomyidae
455:Family †
406:Taxonomy
352:Laurasia
254:Eomyidae
213:Rodentia
203:Mammalia
193:Chordata
189:Phylum:
183:Animalia
169:Domain:
133:- Recent
1099:(Pacas)
736:Class:
480:Family
473:Family
444:Genus †
431:Genus †
400:dormice
396:jerboas
380:beavers
329:forward
209:Order:
199:Class:
83:scholar
675:
492:et al.
416:et al.
382:, and
333:zygoma
316:, and
297:fossil
285:rodent
240:, 1845
131:Eocene
85:
78:
71:
64:
56:
1238:41611
341:skull
337:snout
90:JSTOR
76:books
673:ISBN
392:mice
62:news
1220:EoL
366:or
45:by
1257::
1235::
1222::
1207::
1192::
402:.
394:,
378:,
354:.
705:e
698:t
691:v
560:†
537:†
514:†
262:†
257:†
252:†
112:)
106:(
101:)
97:(
87:·
80:·
73:·
66:·
39:.
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