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Elwyn Simons

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Erik R Seiffert; Elwyn L Simons
Last of the oligopithecids? A dwarf species from the youngest primate-bearing level of the Jebel Qatrani Formation, northern Egypt.
Biren A Patel; Erik R Seiffert; Doug M Boyer; Rachel L Jacobs; Elizabeth M St Clair; Elwyn L Simons
New primate first metatarsals from the Paleogene of Egypt and the origin of the anthropoid big toe.
Hesham M Sallam; Erik R Seiffert; Elwyn L Simons
Craniodental morphology and systematics of a new family of hystricognathous rodents (Gaudeamuridae) from the late eocene and early oligocene of Egypt.

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All Publications

2013: Erik R Seiffert; Elwyn L Simons
Last of the oligopithecids? A dwarf species from the youngest primate-bearing level of the Jebel Qatrani Formation, northern Egypt.
Journal of human evolution 2013;64(3):211-5.
2012: Biren A Patel; Erik R Seiffert; Doug M Boyer; Rachel L Jacobs; Elizabeth M St Clair; Elwyn L Simons
New primate first metatarsals from the Paleogene of Egypt and the origin of the anthropoid big toe.
Journal of human evolution 2012;63(1):99-120.
2011: Hesham M Sallam; Erik R Seiffert; Elwyn L Simons
Craniodental morphology and systematics of a new family of hystricognathous rodents (Gaudeamuridae) from the late eocene and early oligocene of Egypt.
PloS one 2011;6(2):e16525.
2010: Doug M Boyer; Erik R Seiffert; Elwyn L Simons
Astragalar morphology of Afradapis, a large adapiform primate from the earliest late Eocene of Egypt.
American journal of physical anthropology 2010;143(3):383-402.
2010: Erik R Seiffert; Elwyn L Simons; Doug M Boyer; Jonathan M G Perry; Timothy M Ryan; Hesham M Sallam
A fossil primate of uncertain affinities from the earliest late Eocene of Egypt.
Proceedings of the National Academy of Sciences of the United States of America 2010;107(21):9712-7.
2009: Erik R Seiffert; Jonathan M G Perry; Elwyn L Simons; Doug M Boyer
Convergent evolution of anthropoid-like adaptations in Eocene adapiform primates.
Nature 2009;461(7267):1118-21.
2009: Hesham M Sallam; Erik R Seiffert; Michael E Steiper; Elwyn L Simons
Fossil and molecular evidence constrain scenarios for the early evolutionary and biogeographic history of hystricognathous rodents.
Proceedings of the National Academy of Sciences of the United States of America 2009;106(39):16722-7.
2009: Elwyn L Simons; Friderun Ankel-Simons; Prithijit S Chatrath; Richard S Kay; Blythe Williams; John G Fleagle; Daniel L Gebo; Christopher K Beard; Mary Dawson; Ian Tattersall; Kenneth D Rose
Outrage at high price paid for a fossil.
Nature 2009;460(7254):456.
2008: Alexander G S C Liu; Erik R Seiffert; Elwyn L Simons
Stable isotope evidence for an amphibious phase in early proboscidean evolution.
Proceedings of the National Academy of Sciences of the United States of America 2008;105(15):5786-91.
2007: Kathleen M Muldoon; Elwyn L Simons
Ecogeographic size variation in small-bodied subfossil primates from Ankilitelo, southwestern Madagascar.
American journal of physical anthropology 2007;134(2):152-61.
2007: Elwyn L Simons; Erik R Seiffert; Timothy M Ryan; Yousry Attia
A remarkable female cranium of the early Oligocene anthropoid Aegyptopithecus zeuxis (Catarrhini, Propliopithecidae).
Proceedings of the National Academy of Sciences of the United States of America 2007;104(21):8731-6.
2005: Liza J Shapiro; Cornelia V M Seiffert; Laurie R Godfrey; William L Jungers; Elwyn L Simons; Gisèle F N Randria
Morphometric analysis of lumbar vertebrae in extinct Malagasy strepsirrhines.
American journal of physical anthropology 2005;128(4):823-39.
2005: Erik R Seiffert; Elwyn L Simons; William C Clyde; James B Rossie; Yousry Attia; Thomas M Bown; Prithijit Chatrath; Mark E Mathison
Basal anthropoids from Egypt and the antiquity of Africa's higher primate radiation.
Science (New York, N.Y.) 2005;310(5746):300-4.
2005: Erik R Seiffert; Elwyn L Simons; Timothy M Ryan; Yousry Attia
Additional remains of Wadilemur elegans, a primitive stem galagid from the late Eocene of Egypt.
Proceedings of the National Academy of Sciences of the United States of America 2005;102(32):11396-401.
2005: William L Jungers; Pierre Lemelin; Laurie R Godfrey; R E Wunderlich; David A Burney; Elwyn L Simons; Prithijit Chatrath; H F James; Gisèle F N Randria
The hands and feet of Archaeolemur: metrical affinities and their functional significance.
Journal of human evolution 2005;49(1):36-55.
2004: Eliot C Bush; Elwyn L Simons; John M Allman
High-resolution computed tomography study of the cranium of a fossil anthropoid primate, Parapithecus grangeri: new insights into the evolutionary history of primate sensory systems.
The anatomical record. Part A, Discoveries in molecular, cellular, and evolutionary biology 2004;281(1):1083-7.
2004: Laurie R Godfrey; Gina M Semprebon; William L Jungers; Michael R Sutherland; Elwyn L Simons; Nikos Solounias
Dental use wear in extinct lemurs: evidence of diet and niche differentiation.
Journal of human evolution 2004;47(3):145-69.
2003: Erik R Seiffert; Elwyn L Simons; Yousry Attia
Fossil evidence for an ancient divergence of lorises and galagos.
Nature 2003;422(6930):421-4.
2002: James B Rossie; Elwyn L Simons; Suellen C Gauld; D Tab Rasmussen
Paranasal sinus anatomy of Aegyptopithecus: implications for hominoid origins.
Proceedings of the National Academy of Sciences of the United States of America 2002;99(12):8454-6.
2002: Gary T Schwartz; Karen E Samonds; Laurie R Godfrey; William L Jungers; Elwyn L Simons
Dental microstructure and life history in subfossil Malagasy lemurs.
Proceedings of the National Academy of Sciences of the United States of America 2002;99(9):6124-9.
2001: Erik R Seiffert; Elwyn L Simons
Astragalar morphology of late Eocene anthropoids from the Fayum Depression (Egypt) and the origin of catarrhine primates.
Journal of human evolution 2001;41(6):577-606.
2001: Stephen J King; Laurie R Godfrey; Elwyn L Simons
Adaptive and phylogenetic significance of ontogenetic sequences in Archaeolemur, subfossil lemur from Madagascar.
Journal of human evolution 2001;41(6):545-76.
2001: Elwyn L Simons; Erik R Seiffert; Prithijit Chatrath; Yousry Attia
Earliest record of a parapithecid anthropoid from the Jebel Qatrani formation, Northern Egypt.
Folia primatologica; international journal of primatology 2001;72(6):316-31.
2001: Elwyn L Simons
The cranium of Parapithecus grangeri, an Egyptian Oligocene anthropoidean primate.
Proceedings of the National Academy of Sciences of the United States of America 2001;98(14):7892-7.
2001: E Christopher Kirk; Elwyn L Simons
Diets of fossil primates from the Fayum Depression of Egypt: a quantitative analysis of molar shearing.
Journal of human evolution 2001;40(3):203-29.
2000: Erik R Seiffert; Elwyn L Simons; John Fleagle
Anthropoid humeri from the late Eocene of Egypt.
Proceedings of the National Academy of Sciences of the United States of America 2000;97(18):10062-7.
2000: Mark W Hamrick; Elwyn L Simons; William L Jungers
New wrist bones of the Malagasy giant subfossil lemurs.
Journal of human evolution 2000;38(5):635-50.
2000: Erik R Seiffert; Elwyn L Simons
Widanelfarasia, a diminutive placental from the late Eocene of Egypt.
Proceedings of the National Academy of Sciences of the United States of America 2000;97(6):2646-51.
1999: Elwyn L Simons; J M Plavcan; John Fleagle
Canine sexual dimorphism in Egyptian Eocene anthropoid primates: Catopithecus and Proteopithecus.
Proceedings of the National Academy of Sciences of the United States of America 1999;96(5):2559-62.
1998: D Tab Rasmussen; Glenn C Conroy; Elwyn L Simons
Tarsier-like locomotor specializations in the oligocene primate afrotarsius.
Proceedings of the National Academy of Sciences of the United States of America 1998;95(25):14848-50.
1997: Elwyn L Simons
Preliminary description of the cranium of Proteopithecus sylviae, an Egyptian late Eocene anthropoidean primate.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(26):14970-5.
1997: E R Miller; Elwyn L Simons
Dentition of Proteopithecus sylviae, an archaic anthropoid from the Fayum, Egypt.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(25):13760-4.
1997: William L Jungers; Laurie R Godfrey; Elwyn L Simons; Prithijit Chatrath
Phalangeal curvature and positional behavior in extinct sloth lemurs (Primates, Palaeopropithecidae).
Proceedings of the National Academy of Sciences of the United States of America 1997;94(22):11998-2001.
1997: Elwyn L Simons; E R Miller
An upper dentition of Aframonius dieides (Primates) from the Fayum, Egyptian Eocene.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(15):7993-6.
1997: Elwyn L Simons
Discovery of the smallest Fayum Egyptian primates (Anchomomyini, Adapidae).
Proceedings of the National Academy of Sciences of the United States of America 1997;94(1):180-4.
1996: Elwyn L Simons; D T Rasmussen
Skull of Catopithecus browni, an early tertiary catarrhine.
American journal of physical anthropology 1996;100(2):261-92.
1995: J G Fleagle; Elwyn L Simons
Limb skeleton and locomotor adaptations of Apidium phiomense, an Oligocene anthropoid from Egypt.
American journal of physical anthropology 1995;97(3):235-89.
1995: Elwyn L Simons
Skulls and anterior teeth of Catopithecus (primates:Anthropoidea) from the Eocene and anthropoid origins.
Science (New York, N.Y.) 1995;268(5219):1885-8.
1995: Elwyn L Simons; T M Bown
Ptolemaiida, a new order of Mammalia--with description of the cranium of Ptolemaia grangeri.
Proceedings of the National Academy of Sciences of the United States of America 1995;92(8):3269-73.
1994: Elwyn L Simons; D T Rasmussen
A remarkable cranium of Plesiopithecus teras (Primates, Prosimii) from the Eocene of Egypt.
Proceedings of the National Academy of Sciences of the United States of America 1994;91(21):9946-50.
1992: Elwyn L Simons
Diversity in the early tertiary anthropoidean radiation in Africa.
Proceedings of the National Academy of Sciences of the United States of America 1992;89(22):10743-7.
1992: Roscoe Stanyon; Johannes Wienberg; Elwyn L Simons; M K Izard
A third karyotype for Galago demidovii suggests the existence of multiple species.
Folia primatologica; international journal of primatology 1992;59(1):33-8.
1991: Elwyn L Simons; P A Holroyd; T M Bown
Early tertiary elephant-shrews from Egypt and the origin of the Macroscelidea.
Proceedings of the National Academy of Sciences of the United States of America 1991;88(21):9734-7.
1991: M K Izard; S J Heath; Y Hayes; Elwyn L Simons
Hematology, serum chemistry values, and rectal temperatures of adult greater galagos (Galago garnetti and G. crassicaudatus).
Journal of medical primatology 1991;20(3):117-21.
1990: D T Rasmussen; M Gagnon; Elwyn L Simons
Taxeopody in the carpus and tarsus of Oligocene Pliohyracidae (Mammalia: Hyracoidea) and the phyletic position of hyraxes.
Proceedings of the National Academy of Sciences of the United States of America 1990;87(12):4688-91.
1990: Elwyn L Simons
Discovery of the oldest known anthropoidean skull from the paleogene of Egypt.
Science (New York, N.Y.) 1990;247(4950):1567-9.
1989: Elwyn L Simons
Description of two genera and species of late Eocene Anthropoidea from Egypt.
Proceedings of the National Academy of Sciences of the United States of America 1989;86(24):9956-60.
1989: Elwyn L Simons
Human origins.
Science (New York, N.Y.) 1989;245(4924):1343-50.
1989: Elwyn L Simons; D T Rasmussen
Cranial morphology of Aegyptopithecus and Tarsius and the question of the tarsier-anthropoidean clade.
American journal of physical anthropology 1989;79(1):1-23.
1988: D T Rasmussen; Elwyn L Simons
New specimens of Oligopithecus savagei, early Oligocene primate from the Fayum, Egypt.
Folia primatologica; international journal of primatology 1988;51(4):182-208.
1987: D L Gebo; Elwyn L Simons
Morphology and locomotor adaptations of the foot in early Oligocene anthropoids.
American journal of physical anthropology 1987;74(1):83-101.
1987: Elwyn L Simons; D T Rasmussen; D L Gebo
A new species of Propliopithecus from the Fayum, Egypt.
American journal of physical anthropology 1987;73(2):139-47.
1987: M K Izard; Elwyn L Simons
Lactation and interbirth interval in the Senegal galago (Galago senegalensis moholi).
Journal of medical primatology 1987;16(5):323-32.
1986: M K Izard; Elwyn L Simons
Infant survival and litter size in primigravid and multigravid Galagos.
Journal of medical primatology 1986;15(1):27-35.
1984: D L Gebo; Elwyn L Simons
Puncture marks on early African anthropoids.
American journal of physical anthropology 1984;65(1):31-5.
1983: Richard F Kay; Elwyn L Simons
Dental formulae and dental eruption patterns in Parapithecidae (Primates, Anthropoidea).
American journal of physical anthropology 1983;62(4):363-75.
1982: J G Fleagle; Elwyn L Simons
The humerus of Aegyptopithecus zeuxis: a primitive anthropoid.
American journal of physical anthropology 1982;59(2):175-93.
1982: J G Fleagle; Elwyn L Simons
Skeletal remains of Propliopithecus chirobates from the Egyptian Oligocene.
Folia primatologica; international journal of primatology 1982;39(3-4):161-77.
1980: J G Fleagle; Richard F Kay; Elwyn L Simons
Sexual dimorphism in early anthropoids.
Nature 1980;287(5780):328-30.
1980: Richard F Kay; Elwyn L Simons
Comments on the adaptive strategy of the first African anthropoids.
Zeitschrift für Morphologie und Anthropologie 1980;71(2):143-8.