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Malaclemys (diamondback terrapin)

Osteichthyes - Testudines - Emydidae

Taxonomy
Malaclemys was named by Gray (1844). It is extant.

It was assigned to Emydinae by Bickham (1975); to Emydidae by Frank and Ramus (1996); and to Deirochelyinae by Parham et al. (2008), van Dijk et al. (2014).

Species
Entered
by J. Alroy on 2007-08-11; modified by G. Lloyd on 2019-12-20

Synonymy list
YearName and author
1844Malaclemys Gray
1975Malaclemys Bickham p. 203
1996Malaclemys Frank and Ramus
2008Malaclemys Parham et al.
2014Malaclemys van Dijk et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
RankNameAuthor
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
ArchelosauriaCrawford 2015
Pantestudines
Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
Pantestudinoidea
superfamilyTestudinoidea
familyEmydidaeRafinesque 1815
subfamilyDeirochelyinaeAgassiz 1857
genusMalaclemysGray 1844

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Malaclemys Gray 1844 [diamondback terrapin]
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Malaclemys terrapin Schoepff 1793 [diamondback terrapin]
Diagnosis
No diagnoses are available
Measurements
partNmean

Composition: phosphaticsubp
Environment: freshwaterf
Locomotion: actively mobilec
Life habit: aquaticf
Diet: omnivoref
Reproduction: oviparousf
Created: 2005-08-26 14:20:16
Modified: 2005-08-26 16:20:16
Source: f = family, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Uetz 2005, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Late/Upper Pleistocene to the top of the Holocene or 0.12900 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 0.0117 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Pleistocene2.58 - 0.0117USA (Florida) Malaclemys terrapin (227368)
Late/Upper Pleistocene0.129 - 0.0117USA (Georgia) Malaclemys terrapin (150574)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117USA (Georgia) Malaclemys terrapin (75066)
Late/Upper Pleistocene0.129 - 0.0117USA (Florida) Malaclemys terrapin (150575 150577)
Late/Upper Pleistocene0.129 - 0.0117USA (South Carolina) Malaclemys terrapin (150288)
Holocene0.0117 - 0.0USA (Florida) Malaclemys terrapin (227371)
Holocene0.0117 - 0.0Bermuda Malaclemys terrapin (90684)