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Exechonella

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	1005434	https://www.gbif.org/species/1005434
PaleoBioDB ID (PBDB)	25912	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=25912

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Bryozoa : Gymnolaemata : Cheilostomatida : Exechonellidae : Exechonella

Taxonomy (PBDB)

Life : Animalia : Bryozoa : Gymnolaemata : Cheilostomata : Exechonellidae : Exechonella

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
-	Polyzoa
phylum	Bryozoa	Ehrenberg 1831
class	Gymnolaemata	Allman 1856
order	Cheilostomata	Busk 1859
family	Exechonellidae	Harmer 1957
genus	Exechonella	Canu & Bassler 1924

Scientific Name

Exechonella Canu & Bassler, 1924

Name Published In

Proc. U.S. Nat. Mus., 69, no. 14

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Exechonella	genus	belongs to Arachnopusiidae	stated without evidence	Brown, 1956
Exechonella	genus	belongs to Cheilostomata	second hand	Sepkoski, 2002
Exechonella	genus	belongs to Exechonellidae	stated without evidence	Schmidt, 2003
Exechonella	genus	belongs to Exechonellidae	stated with evidence	Bock, 2006
Exechonella	genus	belongs to Exechonellidae	stated without evidence	Di Martino and Taylor, 2015

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

2 (67%)

First Recorded Appearance

55.8 - 48.6 Ma
Eocene

Motility

stationary, attached (based on Cheilostomata)

Vision

blind (based on Gymnolaemata)

Diet

suspension feeder (based on Cheilostomata)

Reproduction

oviparous, brooding (based on Cheilostomata)

Taphonomy

intermediate Mg calcite, aragonite (based on Exechonellidae)

Primary Reference (PBDB)

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

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Exechonella albilitus species	accepted (GBIF)	No associated record in PBDB
Exechonella ampullacea species	accepted (GBIF)	No associated record in PBDB
Exechonella antillea species	accepted (GBIF)	No associated record in PBDB
Exechonella anuhaensis species	accepted (GBIF)	No associated record in PBDB
Exechonella azeezi species	accepted (GBIF)	No associated record in PBDB
Exechonella brasiliensis species	accepted (GBIF)	No associated record in PBDB
Exechonella californiensis species	accepted (GBIF)	No associated record in PBDB
Exechonella catalinae species	accepted (GBIF)	No associated record in PBDB
Exechonella chathamensis ✝ species	doubtful (GBIF) listed (PBDB)		1	55.8 Ma Eocene	55.8 Ma Eocene
Exechonella claereboudti species	accepted (GBIF)	No associated record in PBDB
Exechonella elegantissima species	accepted (GBIF)	No associated record in PBDB
Exechonella erinacea species	accepted (GBIF)	No associated record in PBDB
Exechonella floridiana species	accepted (GBIF)	No associated record in PBDB
Exechonella gigantea species	accepted (GBIF)	No associated record in PBDB
Exechonella grandis species	accepted (GBIF)	No associated record in PBDB
Exechonella harmelini species	accepted (GBIF)	No associated record in PBDB
Exechonella horrida species	accepted (GBIF)	No associated record in PBDB
Exechonella kleemanni species	accepted (GBIF)	No associated record in PBDB
Exechonella loslosensis species	accepted (GBIF)	No associated record in PBDB
Exechonella magna species	accepted (GBIF)	No associated record in PBDB
Exechonella maldiviensis species	accepted (GBIF)	No associated record in PBDB
Exechonella nikitai species	accepted (GBIF)	No associated record in PBDB
Exechonella panamensis species	accepted (GBIF)	No associated record in PBDB
Exechonella papillata species	accepted (GBIF)	No associated record in PBDB
Exechonella paucipunctata species	accepted (GBIF) listed (PBDB)		2	5.33 Ma Miocene	0 Ma Extant
Exechonella pumicosa species	accepted (GBIF)	No associated record in PBDB
Exechonella reniporosa species	accepted (GBIF)	No associated record in PBDB
Exechonella rimopora species	accepted (GBIF)	No associated record in PBDB
Exechonella safagaensis species	accepted (GBIF)	No associated record in PBDB
Exechonella similis species	accepted (GBIF)	No associated record in PBDB
Exechonella spinosa species	accepted (GBIF)	No associated record in PBDB
Exechonella tuberculata species	accepted (GBIF)	No associated record in PBDB
Exechonella variperforata species	accepted (GBIF)	No associated record in PBDB
Exechonella vavrai species	accepted (GBIF)	No associated record in PBDB
Exechonella verrucosa species	accepted (GBIF)	No associated record in PBDB
Exechonella vieirai species	accepted (GBIF)	No associated record in PBDB

Synonymy List

Year	Name and Author
1956	Exechonella Brown
2002	Exechonella Sepkoski, Jr.
2003	Exechonella Schmidt
2006	Exechonella Bock
2015	Exechonella Di Martino and Taylor
2015	Exechonella Gordon and Taylor

References

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

Brown D. A. (1956) Some Pliocene Polyzoa from South Australia, Annals and Magazine of Natural History 9 104, 593-611 doi:10.1080/00222935608655864

Schmidt R. (2003) Eocene bryozoa of the St. Vincent Basin, south Australia – taxonomy, biogeography and palaeoenvironments, 1-343

Bock P. (2006) http://bryozoa.net

Di Martino E., Taylor P. D. (2015) Miocene Bryozoa from East Kalimantan, Indonesia. Part II: ‘Ascophoran’ Cheilostomata., Scripta Geologica 148, 1-142

Gordon D. P., Taylor P. D. (2015) Bryozoa of the Early Eocene Tumaio Limestone, Chatham Island, New Zealand, Journal of Systematic Palaeontology, 1-88 doi:10.1080/14772019.2014.991905

Aphia2006 - 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

refer synonym source - via The Interim Register of Marine and Nonmarine Genera

WoRMS (Mar 2013) - via The Interim Register of Marine and Nonmarine Genera

Mém. Soc. Géol. France, (N. S.) 2, Mém. 4 - via The Interim Register of Marine and Nonmarine Genera

Neave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. [developed by uBio, hosted online at MBLWHOI Library]. - via World Register of Marine Species

Hayward, P.J. (2001). Bryozoa, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 325-333 - via World Register of Marine Species

Reverter Gil, Oscar - via World Register of Marine Species

Cáceres-Chamizo, Julia P., Sanner, JoAnn, Tilbrook, Kevin J. & Ostrovsky, Andrei N. (2017). Revision of the Recent species of Exechonella Canu & Bassler in Duvergier, 1924 and Actisecos Canu & Bassler, 1927 (Bryozoa, Cheilostomata): systematics, biogeography and evolutionary trends in skeletal morphology. Zootaxa. 4305(1): 1-79. - via World Register of Marine Species

as per family - via The Interim Register of Marine and Nonmarine Genera

as per included species - via The Interim Register of Marine and Nonmarine Genera

SN2000/Ryland, 1982 - via The Interim Register of Marine and Nonmarine Genera

www.bryozoa.net (Mar 2012) - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus (supplementary record created) - via The Interim Register of Marine and Nonmarine Genera

Proc. U.S. Nat. Mus., 69, no. 14 - 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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