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Tetradellidae ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4808398	https://www.gbif.org/species/4808398
PaleoBioDB ID (PBDB)	142112	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=142112

Rank

family

Taxonomy (GBIF)

Life : Animalia : Arthropoda : Ostracoda : Palaeocopida : Tetradellidae

Taxonomy (PBDB)

Life : Animalia : Arthropoda : Ostracoda : Tetradellidae

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
-	Pancrustacea
subphylum	Crustacea	Brünnich 1772
class	Ostracoda	Latreille 1802
suborder	Paleocopa	Henningsmoen 1953
superfamily	Beyrichiacea	Matthew 1886
family	Tetradellidae	Swartz 1936

Scientific Name

Tetradellidae

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Tetradellidae	family	belongs to Beyrichiacea	stated with evidence	Henningsmoen, 1953
Tetradellidae	family	belongs to Beyrichiacea	stated without evidence	Henningsmoen, 1953
Tetradellidae	family	belongs to Palaeocopida	stated without evidence	Bengtson, 1992

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

485 - 472 Ma
Early/Lower Ordovician

Last Recorded Appearance

393 - 388 Ma
Devonian

Environment

hypersaline,marine,brackish,freshwater (based on Ostracoda)

Motility

actively mobile (based on Ostracoda)

Vision

limited (based on Ostracoda)

Taphonomy

low Mg calcite (based on Ostracoda)

Primary Reference (PBDB)

S. Bengtson. 1992. Proterozoic and earliest Cambrian skeletal metazoans. In J.W. Schopf, C. Klein (eds.), The Proterozoic Biosphere: A Multidisciplinary Study

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Bassleratiinae ✝ subfamily	listed (PBDB)		48	472 Ma Early/Lower Ordovician	458 Ma Late/Upper Ordovician
Piretellinae ✝ subfamily	listed (PBDB)		2	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Tetradellinae ✝ subfamily	listed (PBDB)		171	485 Ma Early/Lower Ordovician	393 Ma Early/Lower Devonian
Aulacopsis ✝ genus	accepted (GBIF) listed (PBDB)		3	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Ctenobolbina ✝ genus	accepted (GBIF) listed (PBDB)		37	485 Ma Cambrian	423 Ma Silurian
Deefgella ✝ genus	accepted (GBIF) listed (PBDB)
Dilobella ✝ genus	accepted (GBIF) listed (PBDB)		10	479 Ma Early/Lower Ordovician	439 Ma Silurian
Foramenella ✝ genus	accepted (GBIF) listed (PBDB)
Glossomorphites ✝ genus	accepted (GBIF) listed (PBDB)		7	472 Ma Early/Lower Ordovician	450 Ma Late/Upper Ordovician
Hesslandella ✝ genus	accepted (GBIF) listed (PBDB)		2	461 Ma Middle Ordovician	458 Ma Late/Upper Ordovician
Hippula ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Huckea ✝ genus	accepted (GBIF) listed (PBDB)
Lomatobolbina ✝ genus	accepted (GBIF) listed (PBDB)		1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Opikium ✝ genus	accepted (GBIF) listed (PBDB)		2	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Pentagona ✝ genus	accepted (GBIF) listed (PBDB)
Polyceratella ✝ genus	accepted (GBIF) listed (PBDB)		4	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Severella ✝ genus	accepted (GBIF) listed (PBDB)		13	458 Ma Late/Upper Ordovician	426 Ma Silurian
Seviculina ✝ genus	accepted (GBIF) listed (PBDB)
Sigmobolbina ✝ genus	accepted (GBIF) listed (PBDB)		28	466 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Tetradella ✝ genus	accepted (GBIF) listed (PBDB)		87	468 Ma Middle Ordovician	393 Ma Early/Lower Devonian
Ushkarella ✝ genus	doubtful (GBIF) listed (PBDB)
Vittella ✝ genus	accepted (GBIF) listed (PBDB)
Winchellatia ✝ genus	accepted (GBIF) listed (PBDB)		39	472 Ma Early/Lower Ordovician	461 Ma Middle Ordovician
Dilobellla texana species	accepted (GBIF)	No associated record in PBDB

Synonymy List

Year	Name and Author
1936	Tetradellidae Swartz
1953	Tetradellidae Henningsmoen
1992	Tetradellidae Bengtson p. 1022

References

Bengtson S. (1992) Proterozoic and earliest Cambrian skeletal metazoans, The Proterozoic Biosphere: A Multidisciplinary Study, 1017-1034

Henningsmoen G. (1953) Upper Ordovician Ostracods from the Oslo region, Norway, Norsk Geologisk Tidsskrift 33 8, 69-108

Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera

WoRMS (Mar 2013) - via The Interim Register of Marine and Nonmarine Genera

Swartz, F M. (1936). Revision of the Primitiidae and Beyrichiidae with new Ostracoda from the Lower Devonian of Pennsylvania. Journal of Paleontology, 10, 541-586 - via World Register of Marine Species

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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