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

Cyclostomi

Taxonomy
Cyclostomi was named by Duméril (1806).

It was assigned to Vertebrata by Miyashita et al. (2019).

Synonymy list
YearName and author
1806Cyclostomi Duméril p. 2147
2019Cyclostomi Miyashita et al. p. 2147

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
RankNameAuthor
phylumChordataHaeckel 1874
subphylumVertebrata
CyclostomiDuméril 1806
CyclostomiDuméril 1806

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.

Unr. †Cyclostomi Duméril 1806
show all | hide all
Subcl. Myxinoidea [hagfish]
hide
G. †Tethymyxine Miyashita et al. 2019
hide
Tethymyxine tapirostrum Miyashita et al. 2019
G. †Squirmarius McCoy et al. 2023
hide
Squirmarius testai McCoy et al. 2023
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilep
Created: 2017-04-17 15:11:50
Modified: 2017-04-17 15:11:50
Source: subp = subphylum, p = phylum
References: Carroll 1988, Kiessling 2004

Age range

Maximum range based only on fossils: base of the Westphalian D to the top of the Late/Upper Cenomanian or 311.45000 to 93.50000 Ma
Minimum age of oldest fossil (stem group age): 306.95 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Westphalian D311.45 - 306.95USA (Illinois) Squirmarius testai (122493 233234 233235)
Late/Upper Cenomanian99.6 - 93.5Lebanon Tethymyxine tapirostrum (212910)