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Tomewingia problematica

Chondrichthyes - Rajiformes

Taxonomy
Ewingia problematica was named by Case and Cappetta (1997). Its type specimen is AMNH 12174, a tooth, and it is a 3D body fossil. Its type locality is South Sulphur River, Commerce, which is in a Maastrichtian marine claystone/sandstone in the Kemp Clay Formation of Texas. It is the type species of Ewingia, Tomewingia.

It was recombined as Tomewingia problematica by Case and Cappetta (2013).

Synonymy list
YearName and author
1997Ewingia problematica Case and Cappetta p. 154 figs. Pl 8, fig 3; text-fig 10
2004Ewingia problematica Becker et al. p. 788 figs. 5Q-U
2013Tomewingia problematica Case and Cappetta p. 125

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
infraclassElasmobranchii(Bonaparte 1838)
Euselachii()
NeoselachiiCompagno 1977
superorderBatomorphii
orderRajiformesBerg 1940
genusTomewingia
speciesproblematica(Case and Cappetta 1997)

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.

Tomewingia problematica Case and Cappetta 1997
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-21 07:15:23
Modified: 2009-07-21 14:15:23
Source: o = order, subp = subphylum
References: Wagner 2023, Hendy et al. 2009, Carroll 1988

Age range: Maastrichtian or 72.20000 to 66.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Maastrichtian72.2 - 66.0USA (South Dakota) Ewingia problematica (90926)
Late/Upper Maastrichtian72.2 - 66.0USA (Texas) Ewingia problematica (type locality: 61738)
Maastrichtian72.2 - 66.0USA (Maryland) Ewingia problematica (83331)