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Clarkella ✝

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Description

Clarkella is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Clarkella nana, which is native to India, China, Uttarakhand, the Western Himalayas, Burma and Thailand.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3252497	https://www.gbif.org/species/3252497
PaleoBioDB ID (PBDB)	28183	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=28183

Rank

genus

Taxonomy (GBIF,PBDB)

Life : Animalia : Brachiopoda : Rhynchonellata : Pentamerida : Clarkellidae : Clarkella

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	Pentamerida	Schuchert and Cooper 1931
suborder	Syntrophiidina	Ulrich and Cooper 1936
superfamily	Porambonitoidea	Davidson 1853
family	Clarkellidae	Schuchert and Cooper 1931
genus	Clarkella	Walcott 1908

Scientific Name

Clarkella Walcott, 1908

Name Published In

Smithson. Misc. Coll., 53, fasc. 3

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Clarkella	genus	belongs to Clarkellidae	stated with evidence	Williams et al., 2002
Clarkella	genus	belongs to Pentamerida	second hand	Sepkoski, 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

497 - 485 Ma
Cambrian

Last Recorded Appearance

479 - 466 Ma
Ordovician

Motility

stationary (based on Pentamerida)

Vision

blind (based on Rhynchonellata)

Diet

suspension feeder (based on Pentamerida)

Taphonomy

low Mg calcite (based on Brachiopoda)

Primary Reference (PBDB)

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

Wikipedia

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

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Clarkella depressa species	accepted (GBIF)	No associated record in PBDB
Clarkella mcgerriglei species	accepted (GBIF)	No associated record in PBDB
Clarkella montanensis species	accepted (GBIF)	No associated record in PBDB
Clarkella orientalis species	accepted (GBIF)	No associated record in PBDB
Clarkella septata species	accepted (GBIF)	No associated record in PBDB
Clarkella testudo ✝ species	accepted (GBIF) listed (PBDB)		1	497 Ma Cambrian	497 Ma Cambrian
Clarkella turgida ✝ species	accepted (GBIF) listed (PBDB)		2	497 Ma Cambrian	497 Ma Cambrian

Synonymy List

Year	Name and Author
2002	Clarkella Sepkoski, Jr.
2002	Clarkella Williams et al. p. 944

References

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

Williams A., Brunton C. H. C., et al (2002) Part H Brachiopoda (revised): Volume 4, Rhynchonelliformea (part), Treatise on Invertebrate Paleontology, 921-1688

Hallan, J. (2000-current). Biology Catalog. Web compilation accessible at http://bug.tamu.edu/research/collection/hallan/ (accessed June 2012). - 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

Smithson. Misc. Coll., 53, fasc. 3 - via The Interim Register of Marine and Nonmarine Genera

Walcott, 1908 - 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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