A class of the echinoderms, having a sausage-shaped body, with minute skeletal plates embedded in the fleshy body wall.
The following taxa of this class occur in the region:
Astichopus multifidus (Furry sea cucumber)
Isostichopus badionotus (Three-rowed sea cucumber)
Holothuria mexicana (Donkey dung sea cucumber)
Holothuria thomasi (Tiger tail sea cucumber)
Euapta lappa (Beaded sea cucumber)