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Helcionelloida

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)Not linked to a GBIF record.
PaleoBioDB ID (PBDB)7847https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=7847
Rankclass (PBDB)
Taxonomy (PBDB)Life : Animalia : Mollusca : Helcionelloida
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Spiralia
superphylumLophotrochozoa
phylumMolluscaLinnaeus 1758
classHelcionelloidaPeel 1991
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Helcionelloidaclassbelongs to Molluscasecond handSepkoski, 2002
Helcionelloidaclassbelongs to Molluscastated without evidenceWotte, 2006
Taxon Size (PBDB)442
First Recorded Appearance541 - 530 Ma
Cambrian
Motilityslow-moving (based on Helcionelloida)
Visionblind (based on Helcionelloida)
Dietdetritivore (based on Helcionelloida)
Ecospace Comments322; LIFE HISTORY; Data from personal opinion (Lin, pers. comm.)
Primary Reference (PBDB)J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Helcionellida
order
listed (PBDB)1,277541 Ma
Cambrian
485 Ma
Cambrian
Helcionelliformes
order
listed (PBDB)
Pelagiellida
order
listed (PBDB)366541 Ma
Cambrian
485 Ma
Cambrian
Ceratoconidae
family
accepted (GBIF)
listed (PBDB)
7541 Ma
Cambrian
530 Ma
Cambrian
Beshtashella
genus
listed (PBDB)9520 Ma
Cambrian
516 Ma
Cambrian
Emargimantus
genus
listed (PBDB)2520 Ma
Cambrian
520 Ma
Cambrian
Michniakia
genus
listed (PBDB)1520 Ma
Cambrian
520 Ma
Cambrian
Rostroconus
genus
listed (PBDB)5541 Ma
Cambrian
541 Ma
Cambrian

Synonymy List

YearName and Author
1991Helcionelloida Peel p. 29
2002Helcionelloida Sepkoski, Jr.
2006Helcionelloida Wotte p. 149

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Wotte T. (2006) New Middle Cambrian mollucs from the Láncara Formation of the Cantabrian Mountains (north-western Spain), Revista Española de Paleontología 21 2, 145-158
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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