Umbraculum in Florida

June 1, 2002
From: Randy Jordan

I have collected an Umbraculum species here in Jupiter, Florida, USA. Is this species indigenous to these waters?
Randy Jordan

randy@jupiterdivecenter.com

Jordan, R., 2002 (Jun 1) Umbraculum in Florida. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7118

Dear Randy,
If you have a look at the messages on the Umbraculum mediterraneum page you will see there is still no certainty on how many species there are in the genus. I have copied a list of names prepared by Guido T. Poppe, but 2 others are missing from this.
• Umbraculum pulchrum Lin Guangyu, 1981 from China
• Umbraculum bermudensis Moerch, 1875 from Bermuda.

The general feeling is that there is probably only one species, Umbraculum umbraculum, but that possibly the east Atlantic forms could be distinguished as Umbraculum mediterraneum. I am not sure where that leaves the west Atlantic ones. Unfortunately there is no simple answer.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Jun 1). Comment on Umbraculum in Florida by Randy Jordan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7118

Factsheet

Umbraculum mediterraneum

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