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Encrinuroides

Description

Encrinuroides is a genus of trilobites in the order Phacopida, that existed during the upper Ordovician in what is now Wales. It was described by Reed in 1931, and the type species is Encrinuroides sexcostata, which was originally described under the genus Cybele by Salter in 1848. It also contains the species, Encrinuroides enshiensis, Encrinuroides insularis, and Encrinuroides rarus. The type locality was in the Sholeshook Limestone Formation.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)4633262https://www.gbif.org/species/4633262
PaleoBioDB ID (PBDB)21559https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=21559
Rankgenus
Taxonomy (GBIF,PBDB)Life : Animalia : Arthropoda : Trilobita : Phacopida : Encrinuridae : Encrinuroides
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyEncrinuridaeAngelin 1854
subfamilyEncrinurinaeAngelin 1854
genusEncrinuroidesReed 1931
Scientific NameEncrinuroides Reed, 1931
Name Published InPal. Soc. London (Lower Pal. Trilob. Girvan, Suppl. 2), 83
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Encrinuroidesgenusbelongs to Encrinuridaestated without evidenceJell and Adrain, 2002
Encrinuroidesgenusbelongs to Phacopidasecond handSepkoski, 2002
Encrinuroidesgenusbelongs to Encrinurinaestated with evidenceMoss and Westrop, 2014
Status (PBDB)extinct
Taxon Size (PBDB)9
First Recorded Appearance479 - 472 Ma
Early/Lower Ordovician
Last Recorded Appearance427 - 423 Ma
Silurian
Environmentmarine (based on Trilobita)
Motilityfast-moving (based on Trilobita)
Visionwell-developed
Dietcarnivore (based on Trilobita)
Ontogenymolting,addition of parts (based on Trilobita)
Ecospace CommentsBODY SIZE: Data from Harrington et al. (1959).
Taphonomyminor spines
Primary Reference (PBDB)J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560
Wikipediahttps://en.wikipedia.org/wiki/Encrinuroides

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Encrinuroides contentus
species
accepted (GBIF)No associated record in PBDB
Encrinuroides edseli
species
accepted (GBIF)
listed (PBDB)
8461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Encrinuroides gelaisi
species
accepted (GBIF)
listed (PBDB)
4461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Encrinuroides hornei
species
accepted (GBIF)
listed (PBDB)
Encrinuroides obesus
species
accepted (GBIF)
listed (PBDB)
1461 Ma
Middle Ordovician
461 Ma
Middle Ordovician
Encrinuroides periops
species
accepted (GBIF)
listed (PBDB)
2466 Ma
Middle Ordovician
466 Ma
Middle Ordovician
Encrinuroides regularis
species
accepted (GBIF)
listed (PBDB)
6479 Ma
Early/Lower Ordovician
479 Ma
Early/Lower Ordovician
Encrinuroides sexcostata
species
accepted (GBIF)
listed (PBDB)
1456 Ma
Late/Upper Ordovician
456 Ma
Late/Upper Ordovician
Encrinuroides stincharensis
species
accepted (GBIF)
listed (PBDB)

Synonymy List

YearName and Author
1931Encrinuroides Reed
2002Encrinuroides Jell and Adrain p. 371
2002Encrinuroides Sepkoski, Jr.
2014Encrinuroides Moss and Westrop p. 1116

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560
Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553
Moss D. K., Westrop S. R. (2014) Systematics of some Late Ordovician encrinurine trilobites from Laurentian North America, Journal of Paleontology 88 6, 1095-1119 doi:10.1666/13-159
GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera
Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera
Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera
extinct group - via The Interim Register of Marine and Nonmarine Genera
Pal. Soc. London (Lower Pal. Trilob. Girvan, Suppl. 2), 83 - 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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