Caecidae
| Caecidae | |
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| Caecum glabrum | |
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| Juvenile showing protoconch | |
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| Family: | Caecidae Gray, 1850
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Caecidae is a taxonomic family of very small and minute sea snails or micromolluscs, marine gastropod molluscs in the order Littorinimorpha.[1]
Habitat[edit]
These minute tubular shells can be found living in marine sediment, or among algae or sponges, in warm and temperate seas.
Shell description[edit]
The shells in this family, are unusual in that the adult shell is a curving tube. In the subfamily Caecinae the protoconch is lost and the tube is sealed with a permanent calcareous plug at one end. In the subfamilies Ctiloceratinae and Strebloceratinae the protoconch is retained. At the other end the tube is sealed by a circular operculum. The spiral part is almost always lost when outgrowing the juvenile stage. The color of the shell is white to pale yellow.
Taxonomy[edit]
This family contains three subfamilies :
Genera[edit]
- Caecum Fleming, 1813
- Carinocera Iredale & Laseron, 1957
- Ctiloceras R. B. Watson, 1886
- Elephantanellum Bartsch, 1920
- Elephantulum Carpenter, 1856
- Enigmerces Iredale & Laseron, 1957
- Fartulum Carpenter, 1857
- Gladioceras Iredale & Laseron, 1957
- Jayella Iredale & Laseron, 1957[2]
- Mauroceras Vannozzi, 2019
- Meioceras Carpenter, 1859
- Parastrophia de Folin, 1870
- Ponderoceras Bandel, 1996
- Pseudoparastrophia [citation needed]
- Strebloceras Carpenter 1859
- Torresella Iredale & Laseron, 1957
- Transcopia Iredale & Laseron, 1957
- Watsonia de Folin, 1880 (possibly synonymous with Parastrophia)
- Genera brought into synonymy
- Brochina Gray, 1857: synonym of Caecum Fleming, 1813
- Brochus T. Brown, 1827: synonym of Caecum Fleming, 1813
- Micranellum Bartsch 1900: synonym of Caecum Fleming, 1813
- Moreletia de Folin, 1869: synonym of Parastrophia de Folin, 1869
- Odontidium Philippi, 1836: synonym of Caecum Fleming, 1813
- Pedumicra Iredale & Laseron, 1957: synonym of Parastrophia de Folin, 1869
- Phleboceras de Folin, 1868: synonym of Strebloceras Carpenter, 1859
- Pictocaecum Habe 1978: synonym of Caecum Fleming, 1813
- Spirolidium O. G. Costa, 1861: synonym of Parastrophia de Folin, 1869: synonym
References[edit]
- ^ Bouchet, P.; Gofas, S. (2013). Caecidae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=126 on 2013-06-04
- ^ WoRMS : Jayella accessed : 18 October 2010
- Folin L. de (1875) Monographie de la famille des Caecidae. Bulletin de la Société des Sciences, Lettres et Arts de Bayonne, 1: 103-131, 1 pl
- Vaught, K.C. (1989). A classification of the living Mollusca. American Malacologists: Melbourne, FL (USA). ISBN 0-915826-22-4. XII, 195 pp
- Bouchet P. & Rocroi J.-P. (2005). Classification and nomenclator of gastropod families. Malacologia 47(1-2): 1–397
- Pizzini M., Raines B. & Vannozzi A. (2013) The family Caecidae in the South-West Pacific (Gastropoda: Rissooidea). Bollettino Malacologico, 49 (suppl. 10): 1-78.
- WoRMS : Caecidae; accessed : 18 October 2010
- "Caecidae". Integrated Taxonomic Information System.
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
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