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Chondrosteoidei

Acipenseriformes

Taxonomy
Chondrosteoidei was named by Grande and Bemis (1991).

It was assigned to Acipenseriformes by Grande and Bemis (1996) and Grande and Hilton (2006).

Subtaxa
Chondrosteidae

Synonymy list
YearName and author
1991Chondrosteoidei Grande and Bemis
1996Chondrosteoidei Grande and Bemis pp. 104-105
2006Chondrosteoidei Grande and Hilton p. 35

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
—Osteichthyes()
—Actinopterygii()
infraclassChondrosteiMüller 1844
orderAcipenseriformesBerg 1940
suborderChondrosteoideiGrande and Bemis 1991
suborderChondrosteoideiGrande and Bemis 1991

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.

Subor. †Chondrosteoidei Grande and Bemis 1991
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Fm. †Chondrosteidae Egerton 1858
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G. †Chondrosteus Agassiz 1843
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Invalid names: Chondrosteus crassior Egerton 1858 [synonym]
†Chondrosteus pachyurus Egerton 1858
G. †Gyrosteus Agassiz 1843
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†Gyrosteus mirabilis Agassiz 1843
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Invalid names: Sepia incomposita Simpson 1855 [synonym]
G. †Strongylosteus Jaeckel 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-20 20:46:22
Modified: 2009-07-20 22:46:22
Source: o = order, subp = subphylum
References: Carroll 1988, Hendy et al. 2009

Age range: base of the Early/Lower Sinemurian to the top of the Late/Upper Santonian or 196.50000 to 83.50000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Sinemurian199.3 - 190.8United Kingdom (England) Chondrosteus acipenseroides (122155) Chondrosteus acipenseroides, Chondrosteus crassior, Chondrosteus pachyurus (122154) Chondrosteus acipenseroides, Chondrosteus pachyurus (122153)
Early/Lower Sinemurian196.5 - 189.6United Kingdom (England) Chondrosteus sp., Chondrosteus pachyurus (122371)
Falciferum183.0 - 182.0Germany Gyrosteus mirabilis (207641)
Toarcian182.7 - 174.1United Kingdom (England) Gyrosteus mirabilis (122167 122372 122373 122374 122375)
Late/Upper Santonian85.8 - 83.5Lebanon Chondrosteus sp. (170327)