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Dwardius

Chondrichthyes - Lamniformes - Cardabiodontidae

Taxonomy
Dwardius was named by Siverson (1999).

It was assigned to Otodontidae by Underwood et al. (2011); to Lamniformes by Siverson (1999), Guinot et al. (2013); and to Cardabiodontidae by Siversson and Machalski (2017).

Species
D. sudindicus, D. woodwardi
Entered
by H. Street (authorized by M. Carrano) on 2011-06-03; modified by M. Clapham on 2025-08-25

Synonymy list
YearName and author
1999Dwardius Siverson p. 57
2011Dwardius Underwood et al. p. 544
2013Dwardius Guinot et al. p. 635
2017Dwardius Siversson and Machalski p. 444

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
infraclassElasmobranchii(Bonaparte 1838)
—Euselachii()
—NeoselachiiCompagno 1977
superorderGaleomorphiiCompagno 1973
orderLamniformesBerg 1958
familyCardabiodontidae
genusDwardius

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. †Dwardius Siverson 1999
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†Dwardius sudindicus Underwood et al. 2011
†Dwardius woodwardi Herman 1977
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:05:21
Modified: 2009-07-21 09:05:21
Source: o = order, subp = subphylum
References: Carroll 1988, Wagner 2023, Hendy et al. 2009

Age range: base of the Early/Lower Aptian to the top of the Santonian or 121.40000 to 83.60000 Ma

Collections (19 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Aptian121.4 - 119.57India D. sp. (239333)
Middle Albian110.1 - 106.3France (Haute-Marne) Cretoxyrhina woodwardi (235569)
Middle Albian110.1 - 106.3France (Marne) Cretoxyrhina woodwardi (169108 235565 235567)
Late/Upper Albian106.3 - 100.5Poland D. sp. (213375)
Late/Upper Albian - Early/Lower Cenomanian106.3 - 93.9Kazakhstan D. woodwardi (175010)
Cenomanian100.5 - 93.9Australia (Western Australia) Pseudoisurus tomosus (215794)
Early/Lower Cenomanian100.5 - 93.9India (Tamil Nadu) D. sudindicus (110178)
Early/Lower Cenomanian100.5 - 93.9France Cretolamna woodwardi (242279)
Early/Lower Cenomanian100.5 - 93.9United Kingdom (England) D. woodwardi (213567)
Late/Upper Cenomanian100.5 - 93.9France Cretolamna woodwardi (241896)
Middle Cenomanian100.5 - 93.9United Kingdom (England) D. woodwardi (213569 213570)
Middle Cenomanian100.5 - 93.9France Cretolamna woodwardi (242280)
Early/Lower Turonian93.9 - 89.8USA (Arizona) Cretolamna woodwardi (276847)
Middle Turonian93.9 - 89.8Belgium Cretolamna woodwardi (241974)
Early/Lower Santonian85.7 - 83.6Japan D. sp. (219958)
Santonian85.7 - 83.6Japan D. sp. (219963)