Stylocheilus striatus or S. striata ?

January 5, 2005
From: Marina Poddubetskaia

Dear Bill,
This species is referred to both Stylocheilus striatus and Stylocheilus striata. What is the right name? I can see that you call it S. striatus, but why some specialists call it S. striata?

Locality: 'Napaling', Panglao Island, Philippines, Pacific Ocean. Depth: 2-20 m. Length: 13 mm. 07 June 2004. on algae. Photos: Marina Poddubetskaia - Nembro website

Thank you in advance for your help.
Best wishes,
Marina.

nembro@nembro.info

Poddubetskaia, , 2005 (Jan 5) Stylocheilus striatus or S. striata ?. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12903

Dear Marina,
Scientific names are either from Latin or latinised Ancient Greek, OR are words from modern languages which have been Latinised. When the first set of International Rules for zoological names was written, the committee, in its wisdom, decided that in species names, the species word [striatus] should match the gender of the genus word [Stylocheilus]. This means that if a species changes genus, as they often do, then often the ending of the species names has to change to match the gender of the new genus name. This rule still applies, although many taxonomists feel that in the age of databases and electronic searches, changing word endings like this is an unnecessary complication, especially when so few of us now have any idea what the correct gender endings are in Latin.

Richard Willan, in an earlier message [#2517] discussed the striata versus striatus question:
"Unfortunately I think you need to change your name once again. Quoy & Gaimard originally used the name Aplysia striata. But the gender of Stylocheilus is masculine, so the specific name striatus, -a, -um , which is a Latin adjective meaning striped or lined, needs to be written in the masculine form, striatus, to be in agreement with the genus".

Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Jan 5). Comment on Stylocheilus striatus or S. striata ? by Marina Poddubetskaia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12903

Factsheet

Stylocheilus striatus

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