Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Fissodus inaequalis

Chondrichthyes - Petalodontiformes - Janassidae

Taxonomy
Cholodus inaequalis was named by Stjohn and Worthen (1875). It is not extant. It is the type species of Cholodus.

It was recombined as Fissodus inaequalis by Eastman (1903).

Synonymy list
YearName and author
1875Cholodus inaequalis Stjohn and Worthen p. 416 figs. pl. xiii, figs. 4-5
1902Cholodus inaequalis Hay p. 277
1903Fissodus inaequalis Eastman p. 174 figs. pl. 2, fig. 11; pl. 3, fig. 26

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderPetalodontiformes()
familyJanassidaeJaekel 1899
genusFissodusSt. John and Worthen 1875
speciesinaequalis(Stjohn and Worthen 1875)

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.

†Fissodus inaequalis Stjohn and Worthen 1875
show all | hide all
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 07:09:25
Modified: 2009-07-21 09:09:25
Source: o = order, subp = subphylum
References: Carroll 1988, Wagner 2023, Hendy et al. 2009

Age range: Kasimovian or 307.00000 to 303.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Kasimovian307.0 - 303.7USA (Nebraska) Fissodus inaequalis (132974)