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Floridemys nana

Reptilia - Testudines - Testudinidae

Taxonomy
Bystra nana was named by Hay (1916). Its type specimen is USNM 10247, a shell (complete shell), and it is a 3D body fossil. Its type locality is Holder, which is in a Miocene terrestrial phosphorite in the Alachua Formation of Florida. It is the type species of Bystra.

It was corrected as Bystra nanus by Hay (1930); it was recombined as Floridemys nanus by Williams (1950) and Auffenberg (1963); it was recombined as Floridemys nana by Vlachos (2018).

Synonymy list
YearName and author
1916Bystra nana Hay
1930Bystra nanus Hay p. 100
1950Floridemys nanus Williams
1963Floridemys nanus Auffenberg p. 83
2018Floridemys nana Vlachos

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
—Pantestudinoidea
superfamilyTestudinoidea
familyTestudinidaeBatsch 1788
genusFloridemysWilliams 1950
speciesnana()

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.

†Floridemys nana Hay 1916
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Diagnosis
ReferenceDiagnosis
E. Vlachos 2018Floridemys nana can be diagnosed as a member of Testudinidae by the presence of good coincidence of the costoperipheral suture and pleuro-marginal sulci, the presence of a well-developed epiplastral lip, and the short pectorals. Floridemys nana differs from other Testudinidae in the presence of short and wide gular scutes with an almost transverse gularohumeral sulcus that does not cover the entoplastron, with an almost straight gularo-humeral sulcus perpendicular to the midline.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialf
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Diet 2: herbivoref
Reproduction: oviparousf
Created: 2005-08-26 07:16:55
Modified: 2005-09-09 16:16:46
Source: f = family, c = class, subp = subphylum
References: Hendy et al. 2009, Ernst and Barbour 1989, Carroll 1988

Age range: Late/Upper Miocene or 11.60800 to 5.33300 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Miocene11.608 - 5.333USA (Florida) Bystra nana (type locality: 99792)