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Striatochelys baba

Osteichthyes - Testudines - Trionychidae

Discussion

Etymology. The species name is derived from the Vietnamese word Ba ba, meaning softshell turtle, declared as substantive

Taxonomy
Striatochelys baba was named by Massonne et al. (2023). Its type specimen is GPIT-PV-112860, a shell, and it is a 3D body fossil. Its type locality is Na Duong Mine layer 80 , which is in a Bartonian/Priabonian lacustrine - large lignite in the Na Duong Formation of Vietnam. It is the type species of Striatochelys.

Entered
by E. Vlachos on 2023-08-03

Synonymy list
YearName and author
2023Striatochelys baba Massonne 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()
RankNameAuthor
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—ArchelosauriaCrawford 2015
—Pantestudines
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
familyTrionychidaeGray 1825
genusStriatochelys
speciesbaba

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.

†Striatochelys baba Massonne et al. 2023
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Diagnosis
ReferenceDiagnosis
T. Massonne et al. 2023Striatochelys baba can be differentiated from Striatochelys impressa comb. nov. by the combination of the following characters: (1) a larger costal VIII, forming the posterolateral margin of the carapace; (2) presence of ridges on the neurals, which are straight anteriorly and sinusoidal posteriorly; and (3) entoplastron callosity in the shape of a bulge (unknown for S. impressa and possibly a synapomorphy for S. baba þ S. impressa).
Measurements
No measurements are available
Composition: phosphaticsubp
Body part: carapacef
Adult length: 100 to < 1000f
Grouping: solitaryf
Environment: brackish, freshwaterf
Locomotion: actively mobilef
Life habit: aquaticf
Diet: piscivoref
Diet 2: carnivoref
Reproduction: oviparousf
Created: 2005-08-25 13:24:04
Modified: 2005-09-09 19:45:41
Source: f = family, subp = subphylum
References: Ernst and Barbour 1989, Carroll 1988

Age range: base of the Bartonian to the top of the Priabonian or 41.03000 to 33.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Bartonian - Priabonian41.03 - 33.9Vietnam (Lang Son) Striatochelys baba (type locality: 169420)