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Pezosiren information


Pezosiren
Temporal range: Early Eocene (Lutetian), 49–46 Ma
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Mounted skeleton
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Sirenia
Family: †Prorastomidae
Genus: †Pezosiren
Domning, 2001
Species:
†P. portelli
Binomial name
†Pezosiren portelli
Domning, 2001

Pezosiren portelli,[2] also known as the "walking manatee", is a basal sirenian from the early Eocene of Jamaica, 50 million years ago. The type specimen is represented by a Jamaican fossil skeleton, described in 2001 by Daryl Domning,[3] a marine mammal paleontologist at Howard University in Washington, DC. It is believed to have had a hippopotamus-like amphibious lifestyle, and is considered a transitional form between land and sea mammals.[4]

  1. ^ Díaz-Berenguer E, Badiola A, Moreno-Azanza M & Canudo J.I., 2018, "First adequately-known quadrupedal sirenian from Eurasia (Eocene, Bay of Biscay, Huesca, northeastern Spain)", Scientific Reports 8: 5127: doi.org/10.1038/s41598-018-23355-w
  2. ^ Pezosiren: from Greek πεζός (pezos), 'on foot', 'walking', and Σειρήν (Seirēn, Latinized to Siren), 'siren' (Domning 2001, p. 625).
  3. ^ Domning, D. P. (2001-10-11). "The earliest known fully quadrupedal sirenians". Nature. 413 (6856). Nature Publishing Group: 625–627. Bibcode:2001Natur.413..625D. doi:10.1038/35098072. PMID 11675784. S2CID 22005691.
  4. ^ Prothero, Donald R. 2007. Evolution: What the Fossils Say and Why It Matters. With original illustrations by Carl Buell. New York, Columbia University Press.

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Pezosiren

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Pezosiren portelli, also known as the "walking manatee", is a basal sirenian from the early Eocene of Jamaica, 50 million years ago. The type specimen...

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Prorastomus

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Prorastomus is one of two genera of the family Prorastomidae, the other Pezosiren. These two species are the oldest sirenians, dating to the Eocene. The...

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Prorastomidae

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fossils of Sirenians, represented in two genera: Pezosiren Pezosiren comprises one known species, Pezosiren portelli, that was discovered in modern-day Jamaica...

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Evolution of sirenians

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has been recovered from Spain. The first known quadrupedal sirenian was Pezosiren from the early Eocene. The earliest known sea cows, of the families Prorastomidae...

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Trichechidae

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Protosirenidae

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Sirenia

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fraasi †P. minima †P. sattaensis †P. smithae †Family Prorastomidae: Genus †Pezosiren †P. portelli Genus †Prorastomus †P. sirenoides Distribution The warm shallow...

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Hydrodamalis

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Protosiren

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Dusisiren

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Corystosiren

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Thalassocnus

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Kutchisiren

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Sobrarbesiren

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for the femur is well developed and the femur itself resembles that of Pezosiren and protosirenids, however with a hemispherical head. Despite still being...

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Eotheroides

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Bharatisiren

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Crenatosiren

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Xenosiren

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Eosiren

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Italosiren

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Marine mammal

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World (such as cetaceans). The first known quadrupedal sirenian was †Pezosiren from the early middle Eocene. The earliest known sea cows, of the families...

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List of prehistoric mammals

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1902 [Archaeosiren Abel 1913] Family †Prorastomidae Cope 1889 Genus †Pezosiren Domning 2001 Genus †Prorastomus Owen 1855 Family †Protosirenidae Sickenberg...

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Halitherium

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Domningia

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Ribodon

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Miosiren

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Callistosiren

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Culebratherium

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Nanosiren

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Stegosiren

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†Eosiren †Eotheroides †Prototherium †Sobrarbesiren †Prorastomidae Pezosiren Prorastomus †Protosirenidae Ashokia Libysiren Protosiren Trichechidae Dugongidae...

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