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Brachyrhizodus

Chondrichthyes - Myliobatiformes - Myliobatidae

Taxonomy
Brachyrhizodus was named by Romer (1942) [Sepkoski's age data: K Camp K Maes Sepkoski's reference number: 884].

It was assigned to Myliobatinae by Cappetta and Case (1975); to Myliobatiformes by Sepkoski (2002); and to Myliobatidae by Cappetta (1987), Case and Schwimmer (1988), Claeson et al. (2010) and Cicimurri et al. (2014).

Species

Synonymy list
YearName and author
1942Brachyrhizodus Romer p. 221
1975Brachyrhizodus Cappetta and Case p. 35
1987Brachyrhizodus Cappetta p. 171
1988Brachyrhizodus Case and Schwimmer p. 295
2002Brachyrhizodus Sepkoski
2010Brachyrhizodus Claeson et al.
2014Brachyrhizodus Cicimurri et al. pp. 27-29 figs. 18-19

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Life
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassGnathostomata
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
orderMyliobatiformesCompagno 1973
familyMyliobatidaeBonaparte 1838
genusBrachyrhizodus

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.

G. †Brachyrhizodus Romer 1942
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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 07:05:51
Modified: 2009-07-21 09:05:51
Source: o = order, subp = subphylum
References: Carroll 1988, Wagner 2023, Hendy et al. 2009

Age range: base of the Middle Turonian to the top of the Early/Lower Maastrichtian or 93.50000 to 66.00000 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Middle Turonian93.5 - 89.3USA (Kansas) B. mcnultyi (35365)
Late/Upper Santonian - Middle Campanian85.8 - 70.6USA (Georgia) B. wichitaensis (35289)
Campanian83.6 - 72.1USA (Georgia) B. wichitaensis (70720)
Campanian - Maastrichtian83.6 - 66.0USA (Texas) B. wichitaensis (132656)
Early/Lower Campanian - Middle Campanian83.5 - 70.6USA (North Carolina) B. wichitaensis (128412) B. witchitaensis, Protamia sp. (57918)
Late/Upper Campanian83.5 - 70.6USA (New Jersey) B. wichitaensis (14455 32181)
Late/Upper Campanian83.5 - 70.6USA (Delaware) B. wichitaensis (27570)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Delaware) B. wichitaensis (126600 126810)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (South Carolina) B. wichitaensis (79363)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (New Jersey) B. wichitaensis (14504 46617 57916 221052)
Maastrichtian72.1 - 66.0Madagascar (Mahajanga) B. sp. (144918)
Early/Lower Maastrichtian70.6 - 66.0USA (New Jersey) B. wichitaensis (213744 213745 213746 213747 213748)