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Hyolithida ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	7714	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=7714

Rank

order (PBDB)

Taxonomy (PBDB)

Life : Animalia : Hyolitha : Hyolithida

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
-	Lophophorata
phylum	Hyolitha	Marek 1963
order	Hyolithida	Mathew 1962

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Hyolithida	order	belongs to Hyolitha	stated without evidence	Sysoev, 1957
Hyolithida	order	belongs to Calyptoptomatida	stated without evidence	Fisher, 1962
Hyolithida	order	belongs to Hyolitha	stated with evidence	Malinky, 1990
Hyolithida	order	belongs to Hyolithomorpha	second hand	Sepkoski, 2002
Hyolithida	order	belongs to Hyolitha	stated without evidence	Wotte, 2006

Status (PBDB)

extinct

Taxon Size (PBDB)

214

First Recorded Appearance

541 - 530 Ma
Cambrian

Last Recorded Appearance

260 - 254 Ma
Permian

Environment

marine (based on Hyolitha)

Motility

facultatively mobile (based on Hyolithida)

Vision

blind (based on Hyolitha)

Diet

suspension feeder (based on Hyolithida)

Ecospace Comments

Marek and Yochelson 1976 suggest epifaunal

Taphonomy

aragonite (based on Hyolithida)

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

Name	Status	Fossil Occurrences	Oldest	Youngest
Aladracina ✝ suborder	listed (PBDB)	11	505 Ma Cambrian	505 Ma Cambrian
Hyolithina ✝ suborder	listed (PBDB)	110	541 Ma Cambrian	411 Ma Early/Lower Devonian
Matthevina ✝ suborder	listed (PBDB)
Angusticornidae ✝ family	listed (PBDB)	20	513 Ma Cambrian	513 Ma Cambrian
Australothecidae ✝ family	listed (PBDB)	5	269 Ma Permian	265 Ma Permian
Carinolithidae ✝ family	listed (PBDB)	6	516 Ma Cambrian	461 Ma Middle Ordovician
Crestjahitidae ✝ family	listed (PBDB)	5	530 Ma Cambrian	530 Ma Cambrian
Hyolithidae ✝ family	accepted (GBIF) listed (PBDB)	405	530 Ma Cambrian	260 Ma Permian
Nelegerocornidae ✝ family	listed (PBDB)	91	541 Ma Cambrian	516 Ma Cambrian
Pauxillitidae ✝ family	listed (PBDB)	5	458 Ma Middle Ordovician	443 Ma Silurian
Similothecidae ✝ family	listed (PBDB)	3	516 Ma Cambrian	516 Ma Cambrian
Slapylitidae ✝ family	listed (PBDB)	7	513 Ma Cambrian	501 Ma Cambrian
Aimitus ✝ genus	listed (PBDB)
Altaicornus ✝ genus	listed (PBDB)
Amydaicornus ✝ genus	listed (PBDB)
Anabaricornus ✝ genus	listed (PBDB)
Angusticornus ✝ genus	listed (PBDB)
Atdabanithes ✝ genus	listed (PBDB)
Bolithes ✝ genus	listed (PBDB)
Borealicornus ✝ genus	listed (PBDB)
Brevilabiatus ✝ genus	listed (PBDB)
Cavernolites ✝ genus	listed (PBDB)	4	479 Ma Early/Lower Ordovician	466 Ma Middle Ordovician
Decipilites ✝ genus	listed (PBDB)	6	456 Ma Late/Upper Ordovician	445 Ma Late/Upper Ordovician
Doescherina ✝ genus	accepted (GBIF) listed (PBDB)
Elegantilites ✝ genus	listed (PBDB)	14	478 Ma Early/Lower Ordovician	443 Ma Silurian
Emarites ✝ genus	listed (PBDB)	1	513 Ma Cambrian	513 Ma Cambrian
Erraticornus ✝ genus	listed (PBDB)
Firmicornus ✝ genus	listed (PBDB)
Galicornus ✝ genus	listed (PBDB)
Gompholites ✝ genus	listed (PBDB)	9	466 Ma Middle Ordovician	461 Ma Middle Ordovician
Goniocornus ✝ genus	listed (PBDB)
Grantitheca ✝ genus	listed (PBDB)	7	505 Ma Cambrian	505 Ma Cambrian
Hyptiotheca ✝ genus	listed (PBDB)	36	520 Ma Cambrian	516 Ma Cambrian
Ingolitotheca ✝ genus	listed (PBDB)
Insignicornus ✝ genus	listed (PBDB)
Insolitotheca ✝ genus	listed (PBDB)	8	516 Ma Cambrian	516 Ma Cambrian
Jacuticornus ✝ genus	listed (PBDB)	1	530 Ma Cambrian	530 Ma Cambrian
Jacutolitus ✝ genus	listed (PBDB)
Jincelites ✝ genus	listed (PBDB)	4	505 Ma Cambrian	505 Ma Cambrian
Joachimilites ✝ genus	listed (PBDB)	1	458 Ma Middle Ordovician	458 Ma Middle Ordovician
Ketemecornus ✝ genus	listed (PBDB)
Kuonamkicornus ✝ genus	listed (PBDB)
Laticornus ✝ genus	listed (PBDB)	2	520 Ma Cambrian	516 Ma Cambrian
Lenalitus ✝ genus	listed (PBDB)
Lirotheca ✝ genus	listed (PBDB)
Maxilites ✝ genus	listed (PBDB)	8	513 Ma Cambrian	505 Ma Cambrian
Meitanovitus ✝ genus	listed (PBDB)
Neopauxillites ✝ genus	listed (PBDB)
Nitoricornus ✝ genus	listed (PBDB)
Notabilitus ✝ genus	listed (PBDB)	2	530 Ma Cambrian	530 Ma Cambrian
Oblisicornus ✝ genus	listed (PBDB)	1	530 Ma Cambrian	530 Ma Cambrian
Oboedalites ✝ genus	listed (PBDB)	5	513 Ma Cambrian	513 Ma Cambrian
Oxytus ✝ genus	listed (PBDB)
Paracornus ✝ genus	listed (PBDB)
Parakolithes ✝ genus	listed (PBDB)	2	516 Ma Cambrian	516 Ma Cambrian
Parakorilithes ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Parkula ✝ genus	listed (PBDB)	34	530 Ma Cambrian	516 Ma Cambrian
Patholites ✝ genus	listed (PBDB)	1	513 Ma Cambrian	513 Ma Cambrian
Pauxillites ✝ genus	listed (PBDB)	7	478 Ma Early/Lower Ordovician	461 Ma Middle Ordovician
Planotheca ✝ genus	listed (PBDB)
Rarissimetus ✝ genus	listed (PBDB)
Rodentilites ✝ genus	listed (PBDB)	1	513 Ma Cambrian	513 Ma Cambrian
Tajinella ✝ genus	listed (PBDB)	2	513 Ma Cambrian	497 Ma Cambrian
Tizilites ✝ genus	listed (PBDB)	1	513 Ma Cambrian	513 Ma Cambrian
Tulenicornus ✝ genus	listed (PBDB)	2	513 Ma Cambrian	513 Ma Cambrian
Virgatotheca ✝ genus	listed (PBDB)
Virgulaxonaria ✝ genus	listed (PBDB)
Yacutolithuus ✝ genus	listed (PBDB)
Yankongovitus ✝ genus	listed (PBDB)

Synonymy List

Year	Name and Author
1957	Hyolithida Sysoev
1962	Hyolithida Fisher
1962	Hyolithida Mathew
1990	Hyolithida Malinky p. 229
2000	Hyolithida Bruton and Harper
2002	Hyolithida Sepkoski, Jr.
2006	Hyolithida Wotte p. 153
2011	Hyolithida Malinky and Racheboeuf

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Fisher D. W. (1962) Part W, Miscellanea: Small conoidal shells of uncertain affinities, Treatise on Invertebrate Paleontology W, 98-143

Malinky J. M. (1990) Early and Middle Cambrian Hyolitha (Mollusca) from Northeastern China, Journal of Paleontology 64 2, 228-240

Bruton D. L., Harper D. A. T. (2000) A mid-Cambrian shelly fauna from Ritland, western Norway and its palaeogeographical implications, Bulletin of the Geological Society of Denmark 47, 29-51

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

Malinky J.M., Racheboeuf P.R. (2011) New Hyolitha from the Devonian of Bolivia, Journal of Paleontology 85 6, 1077-1088

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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