Retusa obtusa
| Retusa obtusa | |
|---|---|
 | |
| A shell of Retusa obtusa | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Heterobranchia clade Euthyneura clade Euopisthobranchia clade Cephalaspidea |
| Superfamily: | Philinoidea |
| Family: | Retusidae |
| Genus: | Retusa |
| Species: | R. obtusa |
| Binomial name | |
| Retusa obtusa (Montagu, 1803) | |
Retusa obtusa, common name the "Arctic barrel-bubble", is a species of very small head-shield sea snail or bubble shell, a marine gastropod mollusk in the family Retusidae.[1]
This species occurs widely in the northern parts of the Atlantic Ocean, occurring in both the Eastern Atlantic and Western Atlantic. It has also been reported from North Carolina, and from Alaska in the Pacific Ocean. The shell reaches a maximum size of 3 mm.[1]
References
- 1 2 Gofas, S. (2013). Retusa obtusa (Montagu, 1803). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=141134 on 2014-03-30
External links
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