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

Erismodus quadridactylus

Conodonta - Conodontophorida

Taxonomy
Chirognathus quadridactylus was named by Stauffer (1935).

It was recombined as Erismodus quadridactylus by Sweet (1982).

Sister species lacking formal opinion data

Synonyms
Synonymy list
YearName and author
1935Chirognathus quadridactylus Stauffer p. 138 figs. Pl. 9, fig. 35
1973Trichonodella prominens Moskalenko p. 83 figs. Pl. 14, figs. 6-9.
1982Erismodus quadridactylus Sweet pp. 103 - 104 figs. P1. 1, figs. 25-30

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassCyclostomataRichards
RankNameAuthor
orderConodontophorida
classConodontaPander 1856
orderPrioniodontida(Dzik 1976)
suborderPrioniodininaSweet 1988
genusErismodus
speciesquadridactylus(Stauffer 1935)

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.

Erismodus quadridactylus Stauffer 1935
show all | hide all
Invalid names: Trichonodella prominens Moskalenko 1973 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitec
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Vision: well-developedc
Created: 2005-02-03 07:48:42
Modified: 2010-02-12 04:00:46
Source: c = class, subp = subphylum
References: Carroll 1988, Aberhan 1992

Age range: base of the Early/Lower Llandeilo to the top of the Franklinian or 461.10000 to 449.60000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Llandeilo461.1 - 458.2Russian Federation (Siberia) Trichonodella prominens (9295 9299)
Blackriveran - Shermanian457.3 - 449.6USA (Minnesota) Erismodus quadridactylus (23295 23298)
Franklinian457.3 - 449.6USA (Colorado) Erismodus quadridactylus (155756)