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Trionyx henrici

Osteichthyes - Testudines - Trionychidae

Taxonomy
Trionyx henrici was named by Owen and Bell (1849). Its type specimen is BMNH R30407, a carapace, and it is a 3D body fossil. Its type locality is Hordle Cliff Crocodile Bed, Hampshire, which is in a Priabonian terrestrial sandstone/claystone in the Headon Beds Formation of the United Kingdom.

Sister species lacking formal opinion data
T. pliopedemontanus, T. truinguis, T. capellinii, T. posterus

Synonyms
Synonymy list
YearName and author
1849Trionyx marginatus Owen
1849Trionyx incrassatus Owen p. 17
1849Trionyx henrici Owen p. 46
1849Trionyx barbarae Owen p. 50
1849Trionyx rivosus Owen p. 56
1849Trionyx planus Owen p. 58
1849Trionyx circumsulcatus Owen p. 59
1849Trionyx marginatus Owen and Bell
1849Trionyx incrassatus Owen and Bell p. 17
1849Trionyx henrici Owen and Bell p. 46
1849Trionyx barbarae Owen and Bell p. 50
1849Trionyx rivosus Owen and Bell p. 56
1849Trionyx planus Owen and Bell p. 58
1849Trionyx circumsulcatus Owen and Bell p. 59
1889Trionyx barbarae Lydekker p. 13
1889Trionyx henrici Lydekker pp. 13-14
1889Trionyx incrassatus Lydekker pp. 17-18
1889Trionyx planus Lydekker pp. 18-19
1889Trionyx rivosus Lydekker p. 19
1889Aulacochelys circumsulcatus Lydekker p. 53
2017Trionyx henrici Georgalis and Joyce

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
orderTestudinesBatsch 1788
suborderCryptodira
familyTrionychidaeGray 1825
subfamilyTrionychinaeGray 1825
genusTrionyx
specieshenrici

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.

†Trionyx henrici Owen and Bell 1849
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Invalid names: Trionyx barbarae Owen and Bell 1849 [synonym], Trionyx circumsulcatus Owen and Bell 1849 [synonym], Trionyx incrassatus Owen and Bell 1849 [synonym], Trionyx marginatus Owen and Bell 1849 [synonym], Trionyx planus Owen and Bell 1849 [synonym], Trionyx rivosus Owen and Bell 1849 [synonym]
Diagnosis
No diagnoses are available
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 Ypresian to the top of the Late/Upper Eocene or 56.00000 to 33.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 48.07Belgium (Hainaut) Trionyx henrici (87947)
Bartonian41.03 - 37.71United Kingdom (England) Trionyx rivosus (39892)
Late/Upper Eocene37.71 - 33.9United Kingdom (England) Trionyx incrassatus, Trionyx planus, Trionyx rivosus (181272)
Priabonian37.71 - 33.9United Kingdom (England) Trionyx barbarae, Trionyx henrici, Trionyx circumsulcatus, Trionyx marginatus (type locality: 39643)