Deroceras
Deroceras is a taxonomic genus of small to medium-sized air-breathing land slugs in the family Agriolimacidae.
Description
Most species reach only 30–35 mm in length. Coloration varies considerably within and between species but common patterns are pale cream, with or without darker flecks, and a more uniform light gray or brown to black-brown. Mucus is usually colourless but in some species includes a white deposit when the slug has been disturbed. No keel continues from the tail along the back. The mantle is large, containing a shell plate internally. The pneumostome lies in the posterior half of the mantle. Generally external appearance does not reliably distinguish one species from certain others, so species identification requires dissection to reveal the genitalia, unless the local species diversity is known to be low.The taxonomy, anatomy and other aspects of the biology of this genus were reviewed in 2000, and the diverse mating behaviors were reviewed in 2007.
Species
In 2000, in the most recent monograph on the genus, Wiktor rejected earlier attempts at a subgeneric classification, because there appeared to be so many convergences and reversals. The only exception was that he split off Liolytopelte as a subgenus because of its distinctive hard plate within the penis; all other species were included in the subgenus Deroceras.There are at least 123 species in the genus Deroceras.
Subgenus Deroceras Rafinesque, 1820Deroceras abessinicumDeroceras adolphiDeroceras aferDeroceras agreste Deroceras altaicumDeroceras altimiraiDeroceras astypalaeensisDeroceras bakurianumDeroceras barceumDeroceras berytensisDeroceras bisacchianumDeroceras bistimulatumDeroceras boeoticumDeroceras boettgeriDeroceras bulgaricumDeroceras caziotiDeroceras cecconiiDeroceras chevallieriDeroceras christaeDeroceras chrysorroyatissensisDeroceras concrementosumDeroceras cycladicumDeroceras dallaiiDeroceras deckeniDeroceras demirtensisDeroceras dubiumDeroceras ercinaeDeroceras famagustensisDeroceras fatrenseDeroceras gardullanumDeroceras gavdosensisDeroceras giustianumDeroceras glandulosumDeroceras golcheriDeroceras gorgoniumDeroceras halieosDeroceras helicoidaleDeroceras hesperiumDeroceras heteruraDeroceras ikariaDeroceras iliumDeroceras invadensDeroceras johannaeDeroceras juranumDeroceras karnaniensisDeroceras kasiumDeroceras keaenseDeroceras klemmiDeroceras kontanumDeroceras korthionensisDeroceras koschanumDeroceras kythirensisDeroceras laeve Deroceras lasithionensisDeroceras levisarcobelumDeroceras libanoticumDeroceras limacoidesDeroceras lombricoidesDeroceras lothariDeroceras maasseniDeroceras malkiniDeroceras melinumDeroceras minoicumDeroceras neuteboomiDeroceras nigroclypeatumDeroceras nitidumDeroceras nyphoniDeroceras oertzeniDeroceras orduensisDeroceras osseticumDeroceras padisiiDeroceras pagetiDeroceras panormitanum Deroceras pariumDeroceras parnasiumDeroceras planarioidesDeroceras ponsonbyiDeroceras praecoxDeroceras pseudopanormitanumDeroceras rethimnonensisDeroceras reticulatum Deroceras rhodensisDeroceras riedelianumDeroceras roblesiDeroceras rodnaeDeroceras samiumDeroceras seriphiumDeroceras sturanyiDeroceras subagresteDeroceras tarracenseDeroceras tauricumDeroceras thersitesDeroceras turcicumDeroceras uataderensisDeroceras vascoanaDeroceras zilchi
Subgenus Liolytopelte Simroth, 1901Deroceras bureschiDeroceras caucasicumDeroceras kandaharensisDeroceras moldavicumDeroceras occidentalis
- ''Deroceras trabzonensis''