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Nileus ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4635875	https://www.gbif.org/species/4635875
PaleoBioDB ID (PBDB)	20075	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=20075

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Arthropoda : Trilobita : Asaphida : Nileidae : Nileus

Taxonomy (PBDB)

Life : Animalia : Arthropoda : Trilobita : Asaphida : Nileidae : Nileus

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	Cyclopygoidea	Raymond 1925
family	Nileidae	Angelin 1854
genus	Nileus	Dalman 1827

Scientific Name

Nileus Dalman, 1827

Name Published In

K. VetenskAcad. Handl. Stockholm, 1826 (2)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Nileus	genus	belongs to Nileidae	stated without evidence	Neuman, 1964
Nileus	genus	belongs to Nileidae	stated with evidence	Hoel, 1999
Nileus	genus	belongs to Nileidae	stated without evidence	Fortey and Droser, 1999
Nileus	genus	belongs to Asaphida	second hand	Sepkoski, 2002
Nileus	genus	belongs to Nileidae	stated without evidence	Jell and Adrain, 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

488 - 485 Ma
Paleozoic

Last Recorded Appearance

450 - 444 Ma
Paleozoic

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Asaphida)

Vision

well-developed (based on Nileidae)

Diet

deposit feeder (based on Asaphida)

Ontogeny

molting,addition of parts (based on Trilobita)

Ecospace Comments

BODY SIZE: Data from Harrington et al. (1959).

Taphonomy

minor spines

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	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Nileus affinis ✝ species	accepted (GBIF) listed (PBDB)		17	485 Ma Cambrian	468 Ma Middle Ordovician
Nileus amplus ✝ species	accepted (GBIF) listed (PBDB)		3	453 Ma Late/Upper Ordovician	453 Ma Late/Upper Ordovician
Nileus beaumonti species	accepted (GBIF)	No associated record in PBDB
Nileus depressus ✝ species	accepted (GBIF) listed (PBDB)		4	472 Ma Early/Lower Ordovician	467 Ma Middle Ordovician
Nileus exarmatus ✝ species	accepted (GBIF) listed (PBDB)		15	485 Ma Cambrian	467 Ma Middle Ordovician
Nileus gabata ✝ species	accepted (GBIF) listed (PBDB)		1	466 Ma Middle Ordovician	466 Ma Middle Ordovician
Nileus glazialis ✝ species	accepted (GBIF) listed (PBDB)		18	479 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Nileus hesperaffinis ✝ species	accepted (GBIF) listed (PBDB)		4	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Nileus lacunosa ✝ species	accepted (GBIF) listed (PBDB)		4	472 Ma Early/Lower Ordovician	468 Ma Middle Ordovician
Nileus macrops ✝ species	accepted (GBIF) listed (PBDB)		10	472 Ma Early/Lower Ordovician	468 Ma Middle Ordovician
Nileus orbiculatoides ✝ species	accepted (GBIF) listed (PBDB)		7	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Nileus orbiculatus ✝ species	accepted (GBIF) listed (PBDB)		2	485 Ma Cambrian	485 Ma Cambrian
Nileus petilus ✝ species	accepted (GBIF) listed (PBDB)		6	458 Ma Middle Ordovician	458 Ma Middle Ordovician
Nileus planiceps ✝ species	accepted (GBIF) listed (PBDB)		2	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Nileus porosus ✝ species	accepted (GBIF) listed (PBDB)		1	472 Ma Early/Lower Ordovician	472 Ma Early/Lower Ordovician
Nileus preandinus species	accepted (GBIF)	No associated record in PBDB
Nileus scrutator ✝ species	accepted (GBIF) listed (PBDB)		8	472 Ma Early/Lower Ordovician	466 Ma Middle Ordovician
Nileus walcotti ✝ species	accepted (GBIF) listed (PBDB)		10	479 Ma Early/Lower Ordovician	466 Ma Middle Ordovician
Remopleuridioides preandinus ✝ species	accepted (GBIF) listed (PBDB)		1	467 Ma Middle Ordovician	467 Ma Middle Ordovician

Synonymy List

Year	Name and Author
1827	Nileus Dalman
1957	Remopleuridioides Harrington and Leanza
1964	Nileus Neuman
1975	Nileus Fortey
1999	Nileus Fortey and Droser p. 193
1999	Nileus Hoel
2002	Nileus Jell and Adrain p. 411
2002	Nileus Sepkoski, Jr.

References

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

Neuman R. B. (1964) Fossils in the Ordovician Tuffs Northeastern Maine, with a section on Trilobita by Harry B. Whittington, United States Geological Survey Bulletin 1181 E, 1-38

Fortey R. A. (1975) The Ordovician trilobites of Spitsbergen. II. Asaphidae, Nileidae, Raphiophoridae and Telephinidae of the Valhollfonna Formation, Norsk Polarinstitutt, Skrifter 162, 1-125

Fortey R. A., Droser M. L. (1999) Trilobites from the Base of the Type Whiterockian (Middle Ordovician) in Nevada, Journal of Paleontology 73 2, 182-201

Hoel O. A. (1999) Trilobites of the Hagastrand Member (Tøyen Formation, lowermost Arenig) from tbe Oslo Region, Norway, Part Il : Remaining non-asaphid groups, Norsk Geologisk Tidsskrift 79, 259-280

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

Museum Victoria KEmu database (Oct 2006) - 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

K. VetenskAcad. Handl. Stockholm, 1826 (2) - 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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