Semicassis undulata
Semicassis undulata is a Mediterranean species of medium-sized sea snail, a marine gastropod mollusc in the subfamily Cassinae, the helmet snails and bonnet snails.
Semicassis undulata | |
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Two live individuals in Archi, Reggio Calabria, Italy | |
Scientific classification ![]() | |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Clade: | Caenogastropoda |
Clade: | Hypsogastropoda |
Order: | Littorinimorpha |
Family: | Cassidae |
Genus: | Semicassis |
Species: | S. undulata |
Binomial name | |
Semicassis undulata (Gmelin, 1791) | |
Synonyms[1] | |
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Taxonomy
This taxon was previously sometimes referred to at subspecies level as Semicassis granulata undulata, but in 2019, the World Register of Marine Species lists this Mediterranean taxon as a separate species from Semicassis granulata, which is a Western Atlantic taxon.[1]
Distribution
This species occurs in the Mediterranean Sea and in the Atlantic Ocean off Northwest Africa and the Macaronesian Islands.
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gollark: It waits for the right timer event, and will just wait infinitely if it's already happened.
gollark: Because otherwise sleep will wait forever.
gollark: I'm working on trying to have my process manager support suspending. It *kind of* works, but any "timer" events are eaten up and not fed to the process while it's suspended, so "sleep" just waits forever. How should I solve this? An event queue (could get gigantic fast, so probably not)? Special-casing for "unique" events like timers?
gollark: Great notcompliment!
References
- Rosenberg, G. (2012). Semicassis granulata undulata (Gmelin, 1791). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=591482 on 2012-06-17
- Kreipl K. 1997. Recent Cassidae. Christa Hemmen, Wiesbaden, 151 p. page(s): 55
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