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Alsataspididae ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4635654	https://www.gbif.org/species/4635654
PaleoBioDB ID (PBDB)	154938	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=154938

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Trilobita : Asaphida : Alsataspididae

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
class	Trilobita	Walch 1771
order	Asaphida	Salter 1864
superfamily	Trinucleoidea	Hawle and Corda 1847
family	Alsataspididae	Turner 1940

Scientific Name

Alsataspididae

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Alsataspididae	family	belongs to Asaphida	stated with evidence	Whittington et al., 1997
Alsataspididae	family	belongs to Trinucleoidea	stated with evidence	Adrain, 2011

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

513 - 501 Ma
Cambrian

Last Recorded Appearance

461 - 450 Ma
Ordovician

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Asaphida)

Diet

deposit feeder (based on Asaphida)

Ontogeny

molting,addition of parts (based on Trilobita)

Taphonomy

low Mg calcite, chitin (based on Trilobita)

Primary Reference (PBDB)

P. A. Jell and J. M. Adrain. 2002. Available generic names for trilobites. Memoirs of the Queensland Museum 48(2):331-553

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Araiopleura ✝ genus	accepted (GBIF) listed (PBDB)	5	485 Ma Cambrian	479 Ma Early/Lower Ordovician
Falanaspis ✝ genus	accepted (GBIF) listed (PBDB)	20	488 Ma Cambrian	472 Ma Early/Lower Ordovician
Gaoloupingia ✝ genus	accepted (GBIF) listed (PBDB)	6	501 Ma Cambrian	501 Ma Cambrian
Hapalopleura ✝ genus	accepted (GBIF) listed (PBDB)	11	485 Ma Cambrian	485 Ma Cambrian
Hermosella ✝ genus	doubtful (GBIF) listed (PBDB)	1	499 Ma Cambrian	499 Ma Cambrian
Jegorovaia ✝ genus	accepted (GBIF) listed (PBDB)	22	501 Ma Cambrian	497 Ma Cambrian
Joshuaspis ✝ genus	accepted (GBIF) listed (PBDB)	8	499 Ma Cambrian	499 Ma Cambrian
Macharia ✝ genus	accepted (GBIF) listed (PBDB)	3	499 Ma Cambrian	499 Ma Cambrian
Orometopus ✝ genus	accepted (GBIF) listed (PBDB)	32	485 Ma Cambrian	479 Ma Early/Lower Ordovician
Pagometopus ✝ genus	doubtful (GBIF) listed (PBDB)	2	485 Ma Cambrian	485 Ma Cambrian
Palquiella ✝ genus	doubtful (GBIF) listed (PBDB)	1	485 Ma Cambrian	485 Ma Cambrian
Rhadinopleura ✝ genus	accepted (GBIF) listed (PBDB)	2	497 Ma Cambrian	485 Ma Cambrian
Seleneceme ✝ genus	accepted (GBIF) listed (PBDB)	5	479 Ma Early/Lower Ordovician	466 Ma Middle Ordovician
Skljarella ✝ genus	accepted (GBIF) listed (PBDB)	16	499 Ma Cambrian	485 Ma Cambrian
Spirantyx ✝ genus	doubtful (GBIF) listed (PBDB)	1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Torifera ✝ genus	accepted (GBIF) listed (PBDB)	22	513 Ma Cambrian	501 Ma Cambrian
Yumenaspis ✝ genus	doubtful (GBIF) listed (PBDB)	1	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Zacompsus ✝ genus	accepted (GBIF) listed (PBDB)	10	501 Ma Cambrian	485 Ma Cambrian

Synonymy List

Year	Name and Author
1940	Alsataspididae Turner
1955	Orometopidae Hupe
1957	Hapalopleuridae Harrington and Leanza
1957	Orometopidae Harrington and Leanza
1997	Alsataspididae Whittington et al. p. 301
2000	Hapalopleuridae Bao and Jago pp. 987, 896
2003	Hapalopleuridae Tortello and Esteban p. 228
2011	Alsataspididae Adrain p. 107

References

Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553

Harrington H. J., Leanza A. F. (1957) Ordovician trilobites of Argentina, Department of Geology, University of Kansas Special Publication. Lawrence: University of Kansas Press 1, 1-276

Whittington H. B., Chatterton B. D. E., et al (1997) Trilobita. Introduction, Order Agnostina, Order Redlichiida. Volume 1, Treatise on Invertebrate Paleontology O, 1-530

Bao J.-S., Jago J.B. (2000) Late Late Cambrian trilobites from near Birch Inlet, south-western Tasmania, Palaeontology 43 5, 881-917

Tortello M. F., Esteban S. B. (2003) Lower Ordovician stratigraphy and trilobite faunas from the southern Famatina Range, La Rioja, Argentina, Special Papers in Palaeontology 70, 213-239

Adrain J. M. (2011) Class Trilobita Walch, 1771, Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness 3148, 104-109

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

extinct group - via The Interim Register of Marine and Nonmarine Genera

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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