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Eucryptodira

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	56473	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=56473

Rank

unranked clade (PBDB)

Taxonomy (PBDB)

Life : Animalia : Chordata : Reptilia : Testudines : Eucryptodira

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Triploblastica	Lankester 1877
-	Nephrozoa	Jondelius et al. 2002
-	Deuterostomia	Grobben 1908
phylum	Chordata	Haeckel 1847
subphylum	Vertebrata	Lamarck 1801
superclass	Gnathostomata	Gegenbauer 1874
-	Osteichthyes
-	Sarcopterygii	Romer 1955
subclass	Dipnotetrapodomorpha
subclass	Tetrapodomorpha
-	Tetrapoda
-	Reptiliomorpha	Säve-Söderbergh 1934
-	Anthracosauria	Säve-Söderbergh 1934
-	Batrachosauria
-	Cotylosauria
-	Amniota	Haeckel 1866
-	Sauropsida	Huxley 1864
class	Reptilia	Laurenti 1768
-	Testudinata
order	Testudines	Batsch 1788
suborder	Cryptodira	Cope 1868
-	Eucryptodira	Gaffney 1975

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Eucryptodira	unranked clade	belongs to Cryptodira	stated without evidence	Gaffney, 1975
Eucryptodira	unranked clade	belongs to Cryptodiramorpha	stated without evidence	Parham and Hutchison, 2003
Eucryptodira	unranked clade	belongs to Testudines	stated with evidence	Tong et al., 2004
Eucryptodira	unranked clade	belongs to Testudines	stated without evidence	Parham, 2005
Eucryptodira	unranked clade	belongs to Testudines	stated with evidence	Joyce, 2007
Eucryptodira	unranked clade	belongs to Cryptodiramorpha	stated with evidence	Pérez-García et al., 2008
Eucryptodira	unranked clade	belongs to Pancryptodira	stated without evidence	Rabi et al., 2010
Eucryptodira	unranked clade	belongs to Pancryptodira	stated with evidence	Pérez-García and Ortega, 2011
Eucryptodira	unranked clade	belongs to Cryptodira	stated without evidence	Tong and Brinkman, 2012
Eucryptodira	unranked clade	belongs to Testudinata	stated without evidence	Pérez-García, 2012
Eucryptodira	unranked clade	belongs to Cryptodira	stated without evidence	Hutchison et al., 2013
Eucryptodira	unranked clade	belongs to Testudines	stated without evidence	Brinkman, 2013
Eucryptodira	unranked clade	belongs to Testudines	stated with evidence	Anquetin and Chapman, 2016
Eucryptodira	unranked clade	belongs to Cryptodira	stated with evidence	Mallon and Brinkman, 2018

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

1 (1.1%)

First Recorded Appearance

164 - 157 Ma
Jurassic

Environment

freshwater (based on Cryptodira)

Motility

actively mobile (based on Osteichthyes)

Diet

omnivore (based on Cryptodira)

Reproduction

oviparous (based on Cryptodira)

Taphonomy

phosphatic (based on Vertebrata)

Primary Reference (PBDB)

E. S. Gaffney. 1975. A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys. American Museum Novitates 2574:1-19

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Polycryptodira suborder	listed (PBDB)
Nanhsiungchelyidae ✝ family	accepted (GBIF) listed (PBDB)	155	130 Ma Early/Lower Cretaceous	70.6 Ma Late/Upper Cretaceous
Sandownidae ✝ family	accepted (GBIF) listed (PBDB)	8	130 Ma Early/Lower Cretaceous	66.0 Ma Late/Upper Cretaceous
Sinemydidae ✝ family	accepted (GBIF) listed (PBDB)	37	164 Ma Middle Jurassic	61.7 Ma Paleocene
Sinochelyidae ✝ family	accepted (GBIF) listed (PBDB)	6	145 Ma Late Jurassic	83.6 Ma Late/Upper Cretaceous
Borealochelys ✝ genus	accepted (GBIF) listed (PBDB)	1	93.9 Ma Late/Upper Cretaceous	93.9 Ma Late/Upper Cretaceous
Enaliochelys ✝ genus	doubtful (GBIF) listed (PBDB)	1	156 Ma Jurassic	156 Ma Jurassic
Hoyasemys ✝ genus	accepted (GBIF) listed (PBDB)	1	130 Ma Early/Lower Cretaceous	130 Ma Early/Lower Cretaceous
Hylaeochelys ✝ genus	accepted (GBIF) listed (PBDB)	11	151 Ma Late Jurassic	140 Ma Early/Lower Cretaceous
Tienfucheloides ✝ genus	accepted (GBIF) listed (PBDB)	2	99.6 Ma Late/Upper Cretaceous	99.6 Ma Late/Upper Cretaceous
Angolachelonia unranked clade	listed (PBDB)
Centrocryptodira unranked clade	listed (PBDB)

Synonymy List

Year	Name and Author
1975	Eucryptodira Gaffney p. 2
1998	Eucryptodira Gaffney et al. p. 3
1998	Eucryptodira Hirayama and Hikida p. 70
2001	Eucryptodira Peng et al. p. 23
2003	Eucryptodira Parham and Hutchison p. 785
2004	Eucryptodira Tong et al. p. 2
2005	Eucryptodira Parham p. 75
2007	Eucryptodira Joyce
2008	Eucryptodira Pérez-García et al.
2010	Eucryptodira Rabi et al.

Year	Name and Author
2011	Eucryptodira Pérez-García and Ortega
2012	Eucryptodira Pérez-García
2012	Eucryptodira Tong and Brinkman
2012	Eucryptodira Tong et al.
2013	Eucryptodira Brinkman
2013	Eucryptodira Hutchison et al.
2016	Eucryptodira Anquetin and Chapman
2017	Eucryptodira Puntener et al.
2018	Eucryptodira Mallon and Brinkman

References

Gaffney E. S. (1975) A taxonomic revision of the Jurassic turtles Portlandemys and Plesiochelys, American Museum Novitates 2574, 1-19

Gaffney E. S. (1975) Solnhofia parsonsi, a new cryptodiran turtle from the Late Jurassic of Europe, American Museum Novitates 2576, 1-22

Gaffney E. S., Kool L., et al (1998) Otwayemys, a new cryptodiran turtle from the Early Cretaceous of Australia, American Museum Novitates 3233, 1-28

Hirayama R., Hikida Y. (1998) Mesodermochelys (Testudines; Chelonioidea; Dermochelyidae) from the Late Cretaceous of Nakagawa-cho, Hokkaido, North Japan, Bulletin of the Nakagawa Museum of Natural History 1, 69-76

Peng J., Russell A. P., et al (2001) Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide, Provincial Museum of Alberta, Natural History Occasional Paper 25, 1-54

Parham J. F., Hutchison J. H. (2003) A new eucryptodiran turtle from the Late Cretaceous of North America (Dinosaur Provincial Park, Alberta, Canada), Journal of Vertebrate Paleontology 23 4, 783-798

Tong H., Ji S. -A., et al (2004) Ordosemys (Testudines: Cryptodira) from the Yixian Formation of Liaoning Province, Northeastern China: New Specimens and Systematic Revision, American Museum Novitates 3438, 1-20

Parham J. F. (2005) A reassessment of the referral of sea turtle skulls to the genus Osteopygis (Late Cretaceous, New Jersey, USA), Journal of Vertebrate Paleontology 25 1, 71-77

Pérez-García A., Ortega F., et al (2008) Plesiochelys sp. (Testudines, Eucryptodira) de la Fm. Freixial (Jurásico Superior) en Ulsa (Torres Vedras, Portugal), Palaeontologica Nova. SEPAZ 8, 331-344

Rabi M., Joyce W. G., et al (2010) A review of Mesozoic turtles of the Junggar Basin (Xinjiang, Northwest China) and the paleobiogeography of Jurassic to Early Cretaceous testudinates, Palaeobiodiversity and Palaeoenvironments 90, 259-273 doi:10.1007/s12549-010-0031-3

Pérez-García A., Ortega F. (2011) Selenemys lusitanica, gen. et. sp. nov., a new pleurosternid turtle (Terstudines: Paracryptodira) from the Upper Jurassic of Portugal, Journal of Vertebrate Paleontology 31 1, 60-69

Pérez-García A. (2012) Berruchelus russelli, gen. et sp. nov., a paracryptodiran turtle from the Cenozoic of Europe, Journal of Vertebrate Paleontology 32 3, 545-556

Tong H., Brinkman D. (2012) A new species of Sinemys (Testudines: Cryptodira: Sinemydidae) from the Early Cretaceous of Inner Mongolia, China, Palaeobiodiversity and Palaeoenvironments doi:10.1007/s12549-012-0110-8

Tong H., Danilov I., et al (2012) A revision of xinjiangchelyid turtles from the Late Jurassic of Sichuan Basin, China, Annales de Paleontologie 98, 73-114

Brinkman D. B. (2013) Non-trionychid turtles from the Paleocene of Alberta, Canada, Canadian Journal of Earth Sciences 50, 282-293

Hutchison J. H., Knell M. J., et al (2013) Turtles from the Kaiparowits Formation, Utah, At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah, 295-318

Anquetin J., Chapman S. D. (2016) First report of Plesiochelys etalloni and Tropidemys langii from the Late Jurassic of the UK and the palaeobiogeography of plesiochelyid turtles, Royal Society Open Science 3, 150470 doi:10.1098/rsos.150470

Puntener C., Anquetin J., et al (2017) The comparative osteology of Plesiochelys bigleri n. sp., a new coastal marine turtle from the Late Jurassic of Porrentruy (Switzerland), PeerJ doi:10.7717/peerj.3482

Mallon J. C., Brinkman D. B. (2018) Basilemys morrinensis, a new species of nanhsiungchelyid turtle from the Horseshoe Canyon Formation (Upper Cretaceous) of Alberta, Canada, Journal of Vertebrate Paleontology 38 2, e1431922:1-11 doi:10.1080/02724634.2018.1431922

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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