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Pseudodalatias barnstonensis

Chondrichthyes - Hybodontiformes - Pseudodalatiidae

Taxonomy
Dalatias barnstonensis was named by Sykes (1971). Its type specimen is BMNH P51407, a tooth, and it is a 3D body fossil. Its type locality is Barnstone railway cutting, which is in a Rhaetian coastal siliciclastic in the Westbury Formation of the United Kingdom.

It was recombined as Pseudodalatias barnstonensis by Reif (1978), Tintori (1980), Duffin and Delsate (1993) and Diependaal and Reumer (2021).

Synonymy list
YearName and author
1971Dalatias barnstonensis Sykes p. 13 figs. Pl 2, fig 1
1974Dalatias barnstonensis Sykes p. 39
1978Pseudodalatias barnstonensis Reif p. 55
1980Pseudodalatias barnstonensis Tintori p. 22 figs. Pl 3, figs 1-6
1993Pseudodalatias barnstonensis Duffin and Delsate p. 34 figs. pl. 1, figs. 1-2
2021Pseudodalatias barnstonensis Diependaal and Reumer p. 2 fig. 1k

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
orderHybodontiformes(Patterson 1966)
familyPseudodalatiidae
genusPseudodalatias
speciesbarnstonensis()

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Created: 2004-08-17 13:49:23
Modified: 2009-12-13 03:31:01
Source: c = class, subp = subphylum
References: Carroll 1988, Wagner 2023

Age range: base of the Alaunian to the top of the Sevatian or 215.56000 to 205.60000 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Norian - Rhaetian228.0 - 201.3Belgium Pseudodalatias barnstonensis (131520)
Alaunian215.56 - 212.0Italy (Friuli-Venezia Giulia) Pseudodalatias barnstonensis (83417)
Alaunian215.56 - 212.0Italy Pseudodalatias barnstonensis (121997 122002 122004 122005)
Alaunian215.56 - 212.0Italy (Lombardia) Pseudodalatias barnstonensis (59639)
Sevatian212.0 - 205.6Italy Pseudodalatias barnstonensis (122003)
Rhaetian208.5 - 201.3France Pseudodalatias barnstonensis (149371 149372)
Rhaetian208.5 - 201.3France (Provence-Alpes-Cote d'Azur Region) Pseudodalatias barnstonensis (166561)
Rhaetian208.5 - 201.3Netherlands Pseudodalatias barnstonensis (137658)
Rhaetian208.5 - 201.3France (Jura) Pseudodalatias barnstonensis (60566)
Rhaetian208.5 - 201.3Belgium (Gaume) Pseudodalatias barnstonensis (139198 139199 139202)
Rhaetian208.5 - 201.3United Kingdom (England) Dalatias barnstonensis (type locality: 120928 122363 122365 137318 141370 141371 141372 141373)