Cyrtolitidae ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	58428	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=58428

Rank

family (PBDB)

Taxonomy (PBDB)

Life : Animalia : Mollusca : Tergomya : Cyrtonellida : Cyrtolitidae

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca	Linnaeus 1758
class	Tergomya	Horný 1965
order	Cyrtonellida	Horný 1963
family	Cyrtolitidae	Miller 1889

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Cyrtolitidae	family	belongs to Bellerophontacea	stated with evidence	Knight et al., 1960
Cyrtolitidae	family	belongs to Sinuitopsida	stated without evidence	Starobogatov, 1970
Cyrtolitidae	family	belongs to Helcionellacea	stated with evidence	Runnegar and Jell, 1976
Cyrtolitidae	family	belongs to Cyrtonellacea	stated with evidence	Horný, 1992
Cyrtolitidae	family	belongs to Gastropoda	stated without evidence	Frýda, 1999
Cyrtolitidae	family	belongs to Cyrtonellida	stated with evidence	Ebbestad and Yochelson, 2000

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

501 - 485 Ma
Cambrian

Last Recorded Appearance

388 - 383 Ma
Devonian

Motility

slow-moving (based on Cyrtonellida)

Vision

blind (based on Tergomya)

Diet

grazer (based on Cyrtonellida)

Primary Reference (PBDB)

S. A. Miller. 1889. North American geology and palaeontology for the use of amateurs, students and scientists

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Carcassonnellinae ✝ subfamily	listed (PBDB)
Cloudia ✝ genus	listed (PBDB)	1	501 Ma Cambrian	501 Ma Cambrian
Cyclocyrtonella ✝ genus	listed (PBDB)	2	433 Ma Silurian	419 Ma Early/Lower Devonian
Cyrtolites ✝ genus	listed (PBDB)	163	474 Ma Early/Lower Ordovician	388 Ma Middle Devonian
Cyrtonellopsis ✝ genus	listed (PBDB)	6	485 Ma Cambrian	461 Ma Middle Ordovician
Kolihadiscus ✝ genus	listed (PBDB)	4	419 Ma Early/Lower Devonian	411 Ma Early/Lower Devonian
Neocyrtolites ✝ genus	listed (PBDB)	5	411 Ma Early/Lower Devonian	408 Ma Early/Lower Devonian
Paracyrtolites ✝ genus	listed (PBDB)	11	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Quasisinuites ✝ genus	listed (PBDB)	2	467 Ma Middle Ordovician	466 Ma Middle Ordovician
Sinuella ✝ genus	listed (PBDB)	4	501 Ma Cambrian	501 Ma Cambrian
Sinuitopsina ✝ genus	listed (PBDB)	1	467 Ma Middle Ordovician	467 Ma Middle Ordovician
Sinuitopsis ✝ genus	listed (PBDB)	29	466 Ma Middle Ordovician	439 Ma Silurian
Telamocornu ✝ genus	listed (PBDB)	2	501 Ma Cambrian	501 Ma Cambrian
Yochelsonellis ✝ genus	listed (PBDB)	9	427 Ma Silurian	426 Ma Silurian

Synonymy List

Year	Name and Author
1889	Cyrtolitidae Miller
1960	Cyrtolitidae Knight et al. p. 173
1970	Cyrtolitidae Starobogatov p. 300
1976	Cyrtolitidae Runnegar and Jell p. 118
1992	Cyrtolitidae Horný
1992	Cyrtolitidae Wahlman
1999	Cyrtolitidae Frýda p. 317
2000	Cyrtolitidae Ebbestad and Yochelson

References

Miller S. A. , North American geology and palaeontology for the use of amateurs, students and scientists, 1-664

Knight J. B., Cox L. R., et al (1960) Systematic descriptions, Treatise on Invertebrate Paleontology. Mollusca I 1, 169-339

Starobogatov Y.I. (1970) Systematics of Early Paleozoic Monoplacophora, Paleontological Journal 10 3, 293-302

Runnegar B., Jell P.A. (1976) Australian Middle Cambrian molluscs and their bearing on early molluscan evolution, Alcheringa 1 1/2, 109-132

Horný R. J. (1992) New Lower Devonian Gastropoda and Tergomya (Mollusca) of Bohemia, Časopis Národniho Muzea, Řada příodovĕdná 159 1-4, 99-119

Wahlman G.P. (1992) Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region, United States Geological Survey Professional Paper 1066 O, 1-123

Frýda J (1999) Further new gastropods from the Early Devonian Boucotonotus - Palaeozygopleura community of the Prague Basin, Journal of the Czech Geological Survey 44 3-4, 317-325

Ebbestad J.O.R., Yochelson E. L. (2000) Isostrophic molluscs (Tergomya and Gastropoda) from the Upper Ordovician of Norway, Norsk Geologisk Tidsskrift 80 2, 187-202

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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