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

Cylindritopsis insolitus

Gastropoda - Murchisoniina - Soleniscidae

Taxonomy
Oncochilus insolitus was named by Chronic (1952). Its type specimen is AMNH 27113:1, a shell, and it is a 3D body fossil. Its type locality is Rimmy Jim Tank, Kaibab Formation, Coconino County, which is in a Roadian marine limestone in the Kaibab Formation of Arizona.

It was recombined as Cylindritopsis insolitus by Erwin (1988), Wagner (2023).

Synonymy list
YearName and author
1952Oncochilus insolitus Chronic p. 132 figs. pl. 5 f. 7
1963Oncochilus insolitus Winters p. 46 figs. pl. 5 f. 1-2
1988Cylindritopsis insolitus Erwin p. 63 figs. 3.26 - 3.27
2002Oncochilus insolitus Blodgett et al. p. 488 fig. 10.f
2023Cylindritopsis insolitus Wagner p. S245

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassOrthogastropoda
orderMurchisoniina
superfamilyLoxonematoidea(Koken 1889)
familySoleniscidae
subfamilySoleniscinae
genusCylindritopsis
speciesinsolitus()

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.

†Cylindritopsis insolitus Chronic 1952
show all | hide all
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height76.244.0011.86.302.50
shell diameter72.972.603.403.000.566

Composition: aragonitef
Environment: marinef
Locomotion: slow-movingf
Life habit: epifaunalf
Diet: carnivoref
Diet 2: detritivoref
Vision: limitedf
Created: 2004-08-16 10:05:44
Modified: 2025-08-08 09:17:45
Source: f = family
Reference: Wagner 2023

Age range: base of the Kungurian to the top of the Roadian or 283.30000 to 266.90000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Kungurian283.3 - 274.4USA (Texas) Cylindritopsis insolitus (43491)
Kungurian283.3 - 274.4USA (Arizona) Oncochilus insolitus (52898 95353 120746 120747)
Kungurian283.3 - 274.4Mexico (Sonora) Oncochilus insolitus (52099)
Roadian274.4 - 266.9USA (Arizona) Oncochilus insolitus (type locality: 40001)
Roadian274.4 - 266.9USA (Texas) Cylindritopsis insolitus (43512 43553 81693)