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

Cyrtolites retrorsus

Tergomya - Cyrtonellida - Cyrtolitidae

Taxonomy
Cyrtolites retrorsus was named by Ulrich and Scofield (1897). It is not extant.

It was recombined as Cyrtolites (Cyrtolites) retrorsus by Wahlman (1992).

Synonyms
Synonymy list
YearName and author
1897Cyrtolites retrorsus Ulrich and Scofield
1897Cyrtolites retrorsus fillmorensis Ulrich and Scofield
1897Cyrtolites retrorsus Ulrich and Scofield pp. 861 - 862 figs. pl. 62 f. 32-37
1897Cyrtolites retrorsus fillmorensis Ulrich and Scofield p. 862 figs. pl. 62 f. 38-39
1932Cyrtolites retrorsus Bassler
1944Cyrtolites retrorsus Knight and Bridge
1992Cyrtolites (Cyrtolites) retrorsus Wahlman pp. 94 - 100 figs. pl. 5 f. 1-26; pl. 7 f. 11-16
2023Cyrtolites retrorsus Wagner p. 2385

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classTergomya
orderCyrtonellida
familyCyrtolitidae
genusCyrtolites
speciesretrorsus

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.

†Cyrtolites retrorsus Ulrich and Scofield 1897
show all | hide all
Invalid names: Cyrtolites fillmorensis Ulrich and Scofield 1897 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: slow-movingo
Life habit: low-level epifaunalo
Diet: grazero
Vision: blindc
Created: 2009-04-21 11:49:50
Modified: 2009-10-09 11:08:04
Source: o = order, c = class
Reference: Hendy et al. 2009

Age range: base of the Turinian to the top of the Richmondian or 457.30000 to 445.50000 Ma

Collections (43 total)


Time interval Ma Country or state Original ID and collection number
Turinian457.3 - 453.8USA (Kentucky) Cyrtolites retrorsus (99336 99339 99625)
Turinian457.3 - 453.8USA (Missouri) Cyrtolites retrorsus (175724 181091)
Kirkfieldian457.3 - 449.6USA (Kentucky) Cyrtolites retrorsus (87821 87823)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) Cyrtolites retrorsus (23623 23644)
Rocklandian457.3 - 449.6USA (Minnesota) Cyrtolites fillmorensis (154413)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Minnesota) Cyrtolites retrorsus (23558)
Shermanian457.3 - 449.6USA (Tennessee) Cyrtolites retrorsus (5350 5352 5358)
Shermanian457.3 - 449.6USA (Minnesota) Cyrtolites retrorsus (23579 23584)
Shermanian457.3 - 449.6USA (Kentucky) Cyrtolites retrorsus (77039 77144 77146 77147 77148 77149 77151 87813 87818 101381 101429 154460)
Shermanian457.3 - 449.6USA (Illinois, Iowa) Cyrtolites retrorsus (23651 23653 23656 23659)
Chatfieldian453.8 - 451.0USA (Kentucky) Cyrtolites retrorsus (34546 34547 87820 99334 99657 99689 101101 194138)
Edenian451.0 - 450.2USA (Kentucky) Cyrtolites retrorsus (100541 155415)
Richmondian449.6 - 445.5USA (Ohio) Cyrtolites retrorsus (27499)