Acryptolaria crassicaulis (Allman, 1888)
Synonyms in the area: Cryptolaria crassicaulis Jäderholm, 1917 [polyp].
Distribution in South America: polyp—Atlantic Ocean, Argentina, at Malvinas (Falkland) Islands (Jäderholm 1917; Blanco 1994a; Genzano & Zamponi 1997).
Habitat: polyp—at 150m depth (Jäderholm 1917; Blanco 1994a).