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Caecum

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Description

The cecum or caecum is a pouch within the peritoneum that is considered to be the beginning of the large intestine. It is typically located on the right side of the body (the same side of the body as the appendix, to which it is joined). The word cecum (plural ceca ) stems from the Latin caecus meaning blind.

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

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	7234896	https://www.gbif.org/species/7234896
PaleoBioDB ID (PBDB)	9577	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=9577

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Mollusca : Caecum

Taxonomy (PBDB)

Life : Animalia : Mollusca : Gastropoda : Caecidae : Caecum

Taxonomic Status (GBIF)

doubtful

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca	Linnaeus 1758
class	Gastropoda	Cuvier 1797
superorder	Hypsogastropoda
infraorder	Littorinimorpha	Golikov and Starobogtov 1975
-	Discopoda
superfamily	Truncatelloidea	Gray 1840
family	Caecidae	Gray 1850
genus	Caecum	Galvez H. & Huidobro M. 2017

Scientific Name

Caecum Galvez H. & Huidobro M., 2017

Name Published In

Galvez H., O. & C. Huidobro M. 2017. UNA NUEVA ESPECIE DE CAECUM FLEMING, 1813 PARA ISLA DE PASCUA, CHILE (MOLLUSCA: CAECIDAE). Boletín del Museo Nacional de Historia Natural, Chile, (Bol. Mus. Nac. Hist. Nat. Chile)(66): 125-128.

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Caecum	genus	belongs to Gastropoda	stated without evidence	Stimpson, 1851
Caecum	genus	belongs to Caecidae	stated without evidence	Martin, 1904
Caecum	genus	belongs to Gastropoda	stated without evidence	Mansfield, 1925
Caecum	genus	belongs to Caecidae	stated with evidence	Gardner, 1947
Caecum	genus	belongs to Caecidae	stated without evidence	Weisbord, 1962
Caecum	genus	belongs to Caecidae	stated with evidence	da Silva Forti, 1969
Caecum	genus	belongs to Caecinae	stated with evidence	Marquet, 1997
Caecum	genus	belongs to Caecidae	stated with evidence	Todd, 2001
Caecum	genus	belongs to Neotaenioglossa	second hand	Sepkoski, 2002

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

13 (45%)

First Recorded Appearance

66.0 - 61.6 Ma
Paleocene

Motility

actively mobile (based on Caecidae)

Vision

limited (based on Gastropoda)

Diet

grazer (based on Caecidae)

Taphonomy

aragonite (based on Gastropoda)

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/Caecum

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Caecum (Brochina) subgenus	listed (PBDB)	12	23.0 Ma Miocene	0 Ma Extant
Caecum (Caecum) subgenus	listed (PBDB)	20	11.6 Ma Miocene	0 Ma Extant
Caecum (Defolinia) ✝ subgenus	listed (PBDB)	3	3.60 Ma Pliocene	2.59 Ma Pleistocene
Caecum anellifer ✝ species	accepted (GBIF) listed (PBDB)	3	11.6 Ma Miocene	3.60 Ma Pliocene
Caecum armoricum species	accepted (GBIF) listed (PBDB)	2	0.13 Ma Pleistocene	0.13 Ma Pleistocene
Caecum beaufortensis species	accepted (GBIF) listed (PBDB)	1	2.59 Ma Pleistocene	2.59 Ma Pleistocene
Caecum calvertense species	accepted (GBIF) listed (PBDB)	1	20.4 Ma Miocene	20.4 Ma Miocene
Caecum campe ✝ species	accepted (GBIF) listed (PBDB)	1	5.33 Ma Miocene	5.33 Ma Miocene
Caecum chipolanum ✝ species	accepted (GBIF) listed (PBDB)	6	20.4 Ma Miocene	3.60 Ma Pliocene
Caecum circumvolutum species	accepted (GBIF) listed (PBDB)	1	0.78 Ma Pleistocene	0 Ma Extant
Caecum cooperi species	accepted (GBIF) listed (PBDB)	3	3.60 Ma Pliocene	0 Ma Extant
Caecum cycloferum species	accepted (GBIF) listed (PBDB)	3	3.60 Ma Pliocene	0 Ma Extant
Caecum glabrum species	accepted (GBIF) listed (PBDB)	7	20.4 Ma Miocene	0 Ma Extant
Caecum greensboroense species	accepted (GBIF) listed (PBDB)
Caecum imbricatum species	accepted (GBIF) listed (PBDB)	17	3.60 Ma Pliocene	0 Ma Extant
Caecum johnsoni species	accepted (GBIF) listed (PBDB)	2	0.01 Ma Pleistocene	0 Ma Extant
Caecum mammillatum ✝ species	accepted (GBIF) listed (PBDB)	2	5.33 Ma Miocene	3.60 Ma Pliocene
Caecum mexicanum species	accepted (GBIF) listed (PBDB)	4	3.60 Ma Pliocene	0 Ma Extant
Caecum patuxentium species	accepted (GBIF) listed (PBDB)	1	13.8 Ma Miocene	13.8 Ma Miocene
Caecum plicatum species	accepted (GBIF) listed (PBDB)	1	0.13 Ma Pleistocene	0 Ma Extant
Caecum properegulare ✝ species	accepted (GBIF) listed (PBDB)	1	16.0 Ma Miocene	16.0 Ma Miocene
Caecum tomaculum ✝ species	listed (PBDB)	2	5.33 Ma Miocene	3.60 Ma Pliocene
Caecum veracruzanum species	accepted (GBIF) listed (PBDB)	2	3.60 Ma Pliocene	0 Ma Extant

Synonymy List

Year	Name and Author
1813	Caecum Fleming
1851	Coecum Stimpson
1904	Caecum Martin p. 231
1925	Caecum Mansfield p. 50
1947	Caecum Gardner p. 582
1948	Caecum Gardner p. 203
1962	Caecum Weisbord p. 162
1969	Caecum da Silva Forti p. 105
1972	Caecum Ladd p. 22
1972	Caecum Perrilliat p. 32
1987	Caecum Ward and Blackwelder p. 131
1990	Caecum Beu et al. p. 406
1997	Caecum Marquet p. 18
2001	Caecum Todd
2002	Caecum Harzhauser p. 83
2002	Caecum Sepkoski, Jr.

Year	Name and Author
1813	Caecum Fleming
1851	Coecum Stimpson
1904	Caecum Martin p. 231
1925	Caecum Mansfield p. 50
1947	Caecum Gardner p. 582
1948	Caecum Gardner p. 203
1962	Caecum Weisbord p. 162
1969	Caecum da Silva Forti p. 105
1972	Caecum Ladd p. 22
1972	Caecum Perrilliat p. 32
1987	Caecum Ward and Blackwelder p. 131
1990	Caecum Beu et al. p. 406
1997	Caecum Marquet p. 18
2001	Caecum Todd
2002	Caecum Harzhauser p. 83
2002	Caecum Sepkoski, Jr.

References

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

Martin G. C. (1904) Gastropoda, Maryland Geological Survey Miocene Text, 131-269

Mansfield W. C. (1925) Miocene gastropods and scaphopods from Trinidad, British West Indies, Proceedings of the United States National Museum 66 22, 9116-9125

Gardner J. R. (1947) The Molluscan Fauna of the Alum Bluff Group of Florida, United States Geological Survey Professional Paper 142A-H, 1-709

Gardner J. A. (1948) Mollusca from the Miocene and Lower Pliocene of Virginia and North Carolina: Part 2. Scaphopoda and Gastropoda, United States Geological Survey Professional Paper 199 B, 179-310

Weisbord N.E. (1962) Late Cenozoic gastropods from northern Venezuela, Bulletins of American Paleontology 42 193

da Silva Forti I. R. (1969) Cenozoic Mollusks from the drillholes Cassino and Palmares do Sul of the Coastal Plain of Rio Grande do Sul, Iheringia Geologia 2, 55-155

Ladd H. S. (1972) Cenozoic fossil mollusks from Western Pacific Islands; Gastropods (Turritellidae through Strombidae), United States Geological Survey Professional Paper 532, 1-79

Perrilliat M. C. (1972) Monografia de los Moluscos del Mioceno Medio de Santa Rosa, Verazruz, Mexico, Paleontologia Mexicana 32, 1-130

Ward L. W., Blackwelder B.W. (1987) Late Pliocene and Early Pleistocene Mollusca from the James City and Chowan River Formations at Lee Creek Mine, Smithsonian Contributions to Paleobiology 61, 113-283

Beu A. G., Maxwell P.A., et al (1990) Cenozoic Mollusca of New Zealand, New Zealand Geological Survey Paleontological Bulletin 58

Marquet R. (1997) Pliocene gastropod faunas from Kallo (Oost-Vlaanderen, Belgium) - Part 2. Caenogastropoda: Potamididae-Tornidae, Contributions to Tertiary and Quaternary Geology 34 1-2, 9-29

Todd J. A. (2001) Systematic list of gastropods in the Panama Paleontology Project collections

Harzhauser M. (2002) Marine und brachyhaline Gastropoden aus dem Karpatium des Korneubuger Beckens und der Kreuzstettener Bucht (Österreich, Untermiozän), Beiträge zur Paläontologie 27, 61-159

NZ cross ref or inferred from publ. title - 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

Cat. Brit. Foss. - 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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