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110:. Conversely, a well developed prefrontal is considered to be a primitive feature in dinosaurs. The prefrontal makes contact with several other bones in the skull. The anterior part of the bone articulates with the nasal bone and the lacrimal bone. The posterior part of the bone articulates with the
135:
Cloutier, Richard; Ahlberg, Per E. (1996). "Morphology, characters, and the interrelationships of basal sarcopterygians". In
Stiassny, Melanie L.J.; Parenti, Lynn R.; Johnson, G. David (eds.).
118:. The prefrontal bone sometimes forms part of the upper margin of the orbit. This bone is part of the skull roof, which is a set of bones that cover the brain, eyes and nostrils.
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The prefrontal bone is a very small bone near the top of the skull, which is lost in many groups of
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Parentheses denote bones that receive a different name in particular clades
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72:. The prefrontal is found in most modern and extinct lungfish,
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and is completely absent in their modern descendants, the
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163:. Palaeos: The Trace of Life on Earth. Archived from
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139:. San Diego: Academic Press. pp. 445–479.
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468:(Supraoccipital+Exoccipital+Basioccipital)
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80:. The prefrontal is lost in early
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84:and so is not present in modern
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1527:Musculoskeletal system stubs
1470:. You can help Knowledge by
1413:. You can help Knowledge by
1407:human musculoskeletal system
137:Interrelationships of Fishes
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114:bone and more rarely the
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381:(Postparietal+Tabular)
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64:, which includes
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161:"Mammaliformes"
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29:prefrontal bone
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116:palpebral bone
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1330:Miscellaneous
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511:Ectopterygoid
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167:on 2008-06-04
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41:frontal bones
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21:Dromaeosaurus
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1472:expanding it
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1415:expanding it
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1336:
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991:
845:Appendicular
821:Cervical rib
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785:
705:Tympanohyoid
649:
645:Prearticular
619:Ectotympanic
577:Entotympanic
575:
530:
516:Epipterygoid
445:Sphenethmoid
435:Parasphenoid
405:Basisphenoid
348:Septomaxilla
340:
325:
321:Postparietal
273:
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169:. Retrieved
165:the original
155:
136:
130:
95:
92:In dinosaurs
28:
26:
20:
1178:Intermedium
967:Intermedium
685:Ceratohyoid
520:Alisphenoid
472:Otoccipital
415:Exoccipital
316:Postorbital
311:Postfrontal
62:Rhipidistia
50:. It first
1511:Categories
1360:Osteoderms
1299:Metatarsal
1265:Astragalus
1212:Centrale 4
1209:Centrale 3
1206:Centrale 2
1203:Centrale 1
1053:Metacarpal
961:Triquetral
831:Caudal rib
826:Dorsal rib
700:Thyrohyoid
695:Stylohyoid
662:Surangular
651:Predentary
425:Opisthotic
331:Premaxilla
326:Prefrontal
268:Internasal
254:Skull roof
171:2008-01-25
122:References
74:amphibians
1350:Gastralia
1344:Baubellum
1304:Phalanges
1275:Navicular
1197:Centralia
1187:Calcaneum
1058:Phalanges
1018:Trapezoid
1011:Trapezium
872:Cleithrum
794:Pygostyle
747:Vertebrae
680:Basihyoid
625:Articular
566:Columella
538:Pterygoid
466:Occipital
393:Braincase
353:Squamosal
285:Zygomatic
104:dinosaurs
1183:Fibulare
1114:Hindlimb
1025:Capitate
987:Pisiform
951:Scaphoid
902:Forelimb
877:Coracoid
862:Clavicle
690:Epihyoid
657:Splenial
635:Coronoid
607:Mandible
543:Quadrate
532:Prevomer
526:Palatine
490:Temporal
484:Petrosal
306:Parietal
291:Lacrimal
220:skeleton
217:tetrapod
101:theropod
88:either.
78:reptiles
68:and the
66:lungfish
45:tetrapod
43:in many
37:lacrimal
1338:Baculum
1173:Tibiale
1138:Patella
1089:Ischium
993:Pteroid
947:Radiale
910:Humerus
892:Sternum
887:Scapula
866:Furcula
640:Dentary
629:Malleus
615:Angular
440:Prootic
410:Ethmoid
363:Tabular
342:Rostral
296:Maxilla
262:Frontal
245:Cranium
215:in the
112:frontal
86:mammals
54:in the
52:evolved
1309:Ungual
1281:Cuboid
1158:Tarsus
1132:Fibula
1063:Ungual
1032:Hamate
976:Lunate
957:Ulnare
939:Carpus
787:Coccyx
775:Sacrum
570:Stapes
504:Palate
143:
48:skulls
23:skull.
1522:Skull
1462:This
1405:This
1269:Talus
1127:Tibia
1122:Femur
1099:Pubis
1094:Ilium
930:Manus
755:Atlas
738:Axial
672:Hyoid
553:Vomer
547:Incus
301:Nasal
281:Jugal
233:Skull
213:Bones
108:birds
59:clade
31:is a
1468:stub
1411:stub
920:Ulna
813:Ribs
760:Axis
141:ISBN
76:and
39:and
33:bone
27:The
1149:Pes
1513::
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149:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.