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Titolo:
PROXIMAL FEMORAL ANATOMY OF OMOMYIFORM PRIMATES
Autore:
DAGOSTO M; SCHMID P;
Indirizzi:
NORTHWESTERN UNIV,DEPT CELL & MOLEC BIOL,303 E CHICAGO AVE CHICAGO IL60611 UNIV ZURICH IRCHEL,ANTHROPOL INST & MUSEUM CH-8057 ZURICH SWITZERLAND
Titolo Testata:
Journal of Human Evolution
fascicolo: 1, volume: 30, anno: 1996,
pagine: 29 - 56
SICI:
0047-2484(1996)30:1<29:PFAOOP>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
LOCOMOTOR ADAPTATIONS; EOCENE PRIMATES; MORPHOLOGY; OMOMYIDAE; HYPOTHESIS; EVOLUTION; PATTERNS; PITHECIA; TIBIA; FOOT;
Keywords:
OMOMYIFORMES; OMOMYIDAE; MICROCHOERIDAE; FEMUR; HEMIACODON; NECROLEMUR; MICROCHOERUS; TARSIUS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Citazioni:
87
Recensione:
Indirizzi per estratti:
Citazione:
M. Dagosto e P. Schmid, "PROXIMAL FEMORAL ANATOMY OF OMOMYIFORM PRIMATES", Journal of Human Evolution, 30(1), 1996, pp. 29-56

Abstract

Compared to the adapid primates, the limb skeleton of omomyiforms is only poorly represented. With the discovery of some new material, the proximal femur is now known in several taxa, including representativesfrom both of the recognized families. We describe the femur of a verysmall North American omomyid from the Bridger formation (middle Eocene) and compare its anatomy with the omomyine Hemiacodon and the European microchoerids Nannopithex, Necrolemur and Microchoerus. Tarsius andomomyiforms share several features of the proximal femur which are correlated with frequent leaping in small primates, and which may be morphotypic for Tarsiiformes. Hemiacodon and the new small omomyid are quite similar to each other in that they both have a semicylindrical femoral head which, although more advanced than most primates, is not as derived as the fully cylindrical form exhibited by galagos and tarsiers. As with other areas of the postcranium, microchoerids are very distinct from North American omomyiforms. Microchoerus and Necrolemur exhibit features which are otherwise seen primarily in anthropoid primatessuch as a marked posterior projection of the lesser trochanter. In addition, Necrolemur shares a unique construction of the intertrochanteric crest with parapithecids. Despite these and other intriguing similarities of the postcranial skeleton, any relationship between microchoerids and early anthropoids is difficult to establish because of other marked differences between them. (C) 1996 Academic Press Limited

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Documento generato il 02/04/20 alle ore 12:41:07