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Plaesiomyidae ✝

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Description

Plaesiomyidae is a family of extinct lamp shells belonging to the order Orthida.

From Wikipedia article at https://en.wikipedia.org/wiki/Plaesiomyidae, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3251968	https://www.gbif.org/species/3251968
PaleoBioDB ID (PBDB)	86569	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=86569

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Brachiopoda : Rhynchonellata : Orthida : Plaesiomyidae

Taxonomic Status (GBIF)

accepted

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	Brachiopoda	Cuvier 1805
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Rhynchonellata	Williams et al. 1996
order	Orthida	Schuchert and Cooper 1932
suborder	Orthidina	Schuchert and Cooper 1932
superfamily	Orthoidea	Woodward 1852
family	Plaesiomyidae	Schuchert 1913

Scientific Name

Plaesiomyidae

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Plaesiomyidae	family	belongs to Orthida	stated without evidence	Macomber, 1970
Plaesiomyidae	family	belongs to Orthida	stated with evidence	Mitchell, 1977
Plaesiomyidae	family	belongs to Orthacea	stated without evidence	Howe, 1988
Plaesiomyidae	family	belongs to Orthoidea	stated with evidence	Williams et al., 2000
Plaesiomyidae	family	belongs to Orthoidea	stated without evidence	Popov et al., 2000
Plaesiomyidae	family	belongs to Orthoidea	stated with evidence	Zuykov et al., 2008

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

488 - 478 Ma
Paleozoic

Last Recorded Appearance

426 - 423 Ma
Silurian

Motility

stationary, attached

Vision

blind (based on Rhynchonellata)

Diet

suspension feeder

Ecospace Comments

LIFE HISTORY: Attached, epifaunal suspension feeder (McKerrow, 1979). BODY SIZE: Based on component genera; 7 of 8 genera share 10 to < 100 length, 8 of 8 share 10 to < 100 width.

Taphonomy

low Mg calcite (based on Brachiopoda)

Primary Reference (PBDB)

R. W. Macomber. 1970. Articulate Brachiopods from the Upper Bighorn Formation (Late Ordovician) of Wyoming. Journal of Paleontology 44(3):416-450

Wikipedia

https://en.wikipedia.org/wiki/Plaesiomyidae

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Evenkininae ✝ subfamily	listed (PBDB)	11	467 Ma Middle Ordovician	458 Ma Middle Ordovician
Metorthinae ✝ subfamily	listed (PBDB)	11	485 Ma Cambrian	456 Ma Late/Upper Ordovician
Plaesiomyinae ✝ subfamily	listed (PBDB)	935	488 Ma Cambrian	426 Ma Silurian
Austinella ✝ genus	accepted (GBIF) listed (PBDB)	39	468 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Bokotorthis ✝ genus	accepted (GBIF) listed (PBDB)	9	461 Ma Middle Ordovician	453 Ma Late/Upper Ordovician
Campylorthis ✝ genus	accepted (GBIF) listed (PBDB)	19	466 Ma Middle Ordovician	461 Ma Middle Ordovician
Dinorthis ✝ genus	accepted (GBIF) listed (PBDB)	301	479 Ma Early/Lower Ordovician	426 Ma Silurian
Madiorthis ✝ genus	accepted (GBIF) listed (PBDB)	2	461 Ma Middle Ordovician	461 Ma Middle Ordovician
Multicostella ✝ genus	accepted (GBIF) listed (PBDB)	143	468 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Plaesiomys ✝ genus	accepted (GBIF) listed (PBDB)	286	470 Ma Middle Ordovician	445 Ma Late/Upper Ordovician
Retrorsirostra ✝ genus	accepted (GBIF) listed (PBDB)	37	461 Ma Middle Ordovician	450 Ma Late/Upper Ordovician
Valcourea ✝ genus	accepted (GBIF) listed (PBDB)	83	488 Ma Cambrian	458 Ma Late/Upper Ordovician

Synonymy List

Year	Name and Author
1913	Plaesiomyidae Schuchert
1970	Plaesiomyidae Macomber
1977	Plaesiomyidae Mitchell
1988	Plaesiomyidae Howe p. 210
1990	Plaesiomyidae Potter
2000	Plaesiomyidae Popov et al.
2000	Plaesiomyidae Williams et al. p. 747
2008	Plaesiomyidae Zuykov et al.
2017	Plaesiomyidae Liljeroth et al.

References

Macomber R. W. (1970) Articulate Brachiopods from the Upper Bighorn Formation (Late Ordovician) of Wyoming, Journal of Paleontology 44 3, 416-450

Mitchell W. I. (1977) The Ordovician Brachiopoda from Pomeroy, Co. Tyrone, The Palaeontographical Society Monographs 130 545, 1-138

Howe H. J. (1988) Articulate brachiopods from the Richmondian of Tennessee, Journal of Paleontology 62 2, 204-218

Potter A. W. (1990) Middle and Late Ordovician brachiopods from the eastern Klamath Mountains, northern California, Palaeontographica Abteilung A 212 1-6, 31-158

Popov L. E., Nitikin I. F., et al (2000) Late Ordovician brachiopods from the Otar Member of the Chu-Ili Range, south Kazakhstan, Palaeontology 43 5, 833-870

Williams A., Carlson S. J., et al (2000) Part H Brachiopoda (revised): Volumes 2 & 3, Linguliformea, Craniiformea, Rhynchonelliformea (part)., Treatise on Invertebrate Paleontology, 1-919

Zuykov M. A., Terentiev S. S., et al (2008) New endemic brachiopod and echinoderm genera from the Upper Ordovician of the St. Petersburg region, northwestern Russia, Geological Society of Sweden, Geologiska Föreningen 130 2, 87-93

Liljeroth M., Harper D. A. T., et al (2017) Ordovician rhynchonelliformean brachiopods from Co. Waterford, SE Ireland: Palaeobiogeography of the Leinster Terrane, Fossils and Strata 62, 1-164 doi:10.111/let.12205

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

SN2000: Brands, S. J. (compiler) 1989-2005. Systema Naturae 2000. Amsterdam, The Netherlands (2006 version). Available online at http://sn2000.taxonomy.nl/. - 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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