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Extinct genus of tortoise
Hadrianus Temporal range:
55.4–33.9 Ma
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
Eocene [1]
Hadrianus majusculus
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Reptilia
Order:
Testudines
Suborder:
Cryptodira
Clade :
Pantestudinoidea
Superfamily:
Testudinoidea
(unranked):
†
Genus:
† Hadrianus Cope , 1872 [2] [1]
Species
H. corsoni
H. majusculus
H. octonaria
H. robustus
H. schucherti
H. utahensis
H. vialovi
Hadrianus is an extinct genus of tortoise belonging to the Testudinidae [1] found in the United States , the of Mexico , the Alai Beds of Kyrgyzstan and Spain [citation needed ] and believed to be the oldest true tortoise known.[3] The genus is thought to be closely related to the genus Manouria .[3] The genus may have evolved in the subtropics of Asia and subsequently migrated to North America and Europe.[3]
References [ ]
^ Jump up to: a b c "Fossilworks: Hadrianus" . fossilworks.org . Retrieved 19 February 2019 .
^ E. D. Cope. 1872. Second account of new Vertebrata from the Bridger Eocene. Proceedings of the American Philosophical Society (separate) 1-3
^ Jump up to: a b c Ehret, Dana Joseph 2004 "Skeletochronology as a method of aging Oligocene Gopherus laticuneus and Stylemys nebrascensis , using Gopherus polyphemus as a modern analog" Thesis, University of Florida.
show Tortoise family
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Subclass: Anapsida
Order: Testudines
Suborder: Cryptodira
Superfamily: Testudinoidea
Family: Testudinidae
Genera
Species of the tortoise family
Agrionemys Aldabrachelys Astrochelys
Angonoka tortoise
Radiated tortoise
Centrochelys Chelonoidis Galápagos tortoise
Chelonoidis complex † Chersina Chersobius
Nama padloper
Karoo padloper
Speckled padloper
†Cylindraspis
†Domed Mauritius giant tortoise
†Domed Rodrigues giant tortoise
†Réunion giant tortoise
†Saddle-backed Mauritius giant tortoise
†Saddle-backed Rodrigues giant tortoise
Geochelone
Burmese star tortoise
Indian star tortoise
Gopherus †Hadrianus †Hesperotestudo
†Hesperotestudo percrassa
Homopus
Common padloper
Greater padloper
Indotestudo Kinixys Malacochersus Manouria †Megalochelys
†Megalochelys atlas
†Megalochelys cautleyi
†Megalochelys margae
†Megalochelys sondaari
Psammobates Pyxis Stigmochelys †Stylemys
†
†
†
†
†
†
†
†
†
†
†
†
†
†
†
Testudo
show Testudines
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Subclass: Anapsida
Order: Testudines
Suborder
Cryptodira
Chelonioidea (Sea turtles)
Cheloniidae Dermochelyidae
Kinosternoidea
Testudinoidea
Emydidae Geoemydidae Platysternidae Tortoises
Trionychia
Carettochelyidae Trionychidae
†Baenoidea
Pleurodira
See also List of Testudines families
Categories :
Prehistoric life of Europe Hadrianus (genus) Eocene reptiles of North America Prehistoric turtle genera Taxa named by Edward Drinker Cope Extinct turtles Prehistoric turtle stubs Hidden categories:
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