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Pseudagnostus ✝

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Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4639462	https://www.gbif.org/species/4639462
PaleoBioDB ID (PBDB)	19302	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=19302

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Trilobita : Agnostida : Diplagnostidae : Pseudagnostus

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	Agnostida	Salter 1864
superfamily	Agnostoidea	M'Coy 1849
family	Diplagnostidae	Whitehouse 1936
genus	Pseudagnostus	Jaekel 1909

Scientific Name

Pseudagnostus Jaekel, 1909

Name Published In

Z. Dtsch. Geol. Ges., 61

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Pseudagnostus	genus	belongs to Pseudagnostidae	stated without evidence	Robison and Pantoja-Alor, 1968
Pseudagnostus	genus	belongs to Diplagnostidae	stated with evidence	Whittington et al., 1997
Pseudagnostus	genus	belongs to Agnostida	second hand	Sepkoski, 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

513 - 501 Ma
Cambrian

Last Recorded Appearance

485 - 478 Ma
Paleozoic

Environment

marine (based on Trilobita)

Motility

slow-moving (based on Agnostida)

Vision

blind (based on Diplagnostidae)

Diet

detritivore (based on Agnostida)

Ontogeny

molting,addition of parts (based on Trilobita)

Taphonomy

low Mg calcite, chitin (based on Trilobita)

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
Pseudagnostus (Pseudagnostina) ✝ subgenus	listed (PBDB)		52	513 Ma Cambrian	497 Ma Cambrian
Pseudagnostus (Sulcatagnostus) ✝ subgenus	listed (PBDB)		23	505 Ma Cambrian	499 Ma Cambrian
Pseudagnostus ampullatus ✝ species	accepted (GBIF) listed (PBDB)		8	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus anhuiensis ✝ species	accepted (GBIF) listed (PBDB)		4	499 Ma Cambrian	499 Ma Cambrian
Pseudagnostus araneavelatus species	accepted (GBIF)	No associated record in PBDB
Pseudagnostus benxiensis ✝ species	accepted (GBIF) listed (PBDB)		1	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus bilobus species	accepted (GBIF)	No associated record in PBDB
Pseudagnostus bulgosus ✝ species	accepted (GBIF) listed (PBDB)		3	505 Ma Cambrian	501 Ma Cambrian
Pseudagnostus chinensis ✝ species	accepted (GBIF) listed (PBDB)		11	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus clarki species	accepted (GBIF)	No associated record in PBDB
Pseudagnostus communis ✝ species	accepted (GBIF) listed (PBDB)		43	501 Ma Cambrian	499 Ma Cambrian
Pseudagnostus convergens species	accepted (GBIF)	No associated record in PBDB
Pseudagnostus cyclopyge ✝ species	accepted (GBIF) listed (PBDB)		10	501 Ma Cambrian	497 Ma Cambrian
Pseudagnostus dividuus ✝ species	accepted (GBIF) listed (PBDB)		8	499 Ma Cambrian	499 Ma Cambrian
Pseudagnostus extumidus species	accepted (GBIF)	No associated record in PBDB
Pseudagnostus idalis ✝ species	accepted (GBIF) listed (PBDB)		33	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus josephus ✝ species	accepted (GBIF) listed (PBDB)		116	501 Ma Cambrian	497 Ma Cambrian
Pseudagnostus karatauensis ✝ species	accepted (GBIF) listed (PBDB)		2	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus koerferi ✝ species	accepted (GBIF) listed (PBDB)		6	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus laevis species	accepted (GBIF)	No associated record in PBDB
Pseudagnostus leptoplastorum ✝ species	accepted (GBIF) listed (PBDB)		5	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus marginisulcatus ✝ species	accepted (GBIF) listed (PBDB)		2	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus medius ✝ species	accepted (GBIF) listed (PBDB)		2	501 Ma Cambrian	499 Ma Cambrian
Pseudagnostus mestus ✝ species	accepted (GBIF) listed (PBDB)		1	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus obsurdus ✝ species	accepted (GBIF) listed (PBDB)		3	499 Ma Cambrian	499 Ma Cambrian
Pseudagnostus papilio ✝ species	listed (PBDB)		3	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus praecurrens ✝ species	accepted (GBIF) listed (PBDB)		3	499 Ma Cambrian	499 Ma Cambrian
Pseudagnostus primus ✝ species	accepted (GBIF) listed (PBDB)		4	505 Ma Cambrian	499 Ma Cambrian
Pseudagnostus prolongus ✝ species	accepted (GBIF) listed (PBDB)		4	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus pseudangustilobus ✝ species	accepted (GBIF) listed (PBDB)		13	499 Ma Cambrian	499 Ma Cambrian
Pseudagnostus pseudocyclopyge ✝ species	accepted (GBIF) listed (PBDB)		21	501 Ma Cambrian	499 Ma Cambrian
Pseudagnostus punctatus ✝ species	accepted (GBIF) listed (PBDB)		8	499 Ma Cambrian	499 Ma Cambrian
Pseudagnostus rajovopsis ✝ species	accepted (GBIF) listed (PBDB)		3	501 Ma Cambrian	499 Ma Cambrian
Pseudagnostus securiger ✝ species	accepted (GBIF) listed (PBDB)		8	501 Ma Cambrian	499 Ma Cambrian
Pseudagnostus sentosus species	accepted (GBIF)	No associated record in PBDB
Pseudagnostus sericatus ✝ species	accepted (GBIF) listed (PBDB)		3	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus subquadratus ✝ species	accepted (GBIF) listed (PBDB)		1	501 Ma Cambrian	501 Ma Cambrian
Pseudagnostus vastulus ✝ species	accepted (GBIF) listed (PBDB)		15	501 Ma Cambrian	499 Ma Cambrian

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Pseudoangostus Lermontova, 1940	GBIF	genus	Animalia : Arthropoda : Trilobita : Agnostida : Diplagnostidae : *Pseudoangostus*

Synonymy List

Year	Name and Author
1909	Pseudagnostus Jaekel
1968	Pseudagnostus Robison and Pantoja-Alor p. 780
1997	Pseudagnostus Whittington et al. p. 366
2002	Pseudagnostus Sepkoski, Jr.

References

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

Robison R. A., Pantoja-Alor J. (1968) Tremadocian trilobites from the Nochixtlan Region, Oaxaca, Mexico, Journal of Paleontology 42 3, 767-800

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

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

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

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

Z. Dtsch. Geol. Ges., 61 - 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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