Acasta Leach, 1817

Kolbasov, Gregory A., Chan, Benny K. K., Molodtsova, Tina N. & Achituv, Yair, 2016, Revision of the coral-inhabiting genus Conopea (Cirripedia: Archaeobalanidae) with description of two new species of the genera Conopea and Acasta, Zootaxa 4178 (2), pp. 182-208: 192

publication ID

http://doi.org/10.11646/zootaxa.4178.2.2

publication LSID

lsid:zoobank.org:pub:D9ABE50D-4C9A-4086-BD65-F692AF81A50E

persistent identifier

http://treatment.plazi.org/id/03E387FF-FFAD-FF9B-FF5F-5EC30894FC97

treatment provided by

Plazi

scientific name

Acasta Leach, 1817
status

 

Genus Acasta Leach, 1817  

Diagnosis. Archaeobalanids with shell with thin, feebly connected compartments, basal parts of rostrum and carina not elongated, radii with oblique summits, parietes solid, usually with internal longitudinal ribs, wall plates often separated by splits or windows covered by delicate membrane; basis not elongated, deeply cup-shaped, rarely flat, margin often serrated; scutum with or without external radial striation; segments of anterior ramus of cirrus IV either bearing hooks or thorns or lacking them. The genus Acasta   includes of 38 epizoic species from tropical and temperate seas, inhabiting sponges, alcyonaceans and antipatharians. Type species Acasta spongites (Poli, 1791)   .