Acasta Leach, 1817

Carriol, René-Pierre, Cahuzac, Bruno & Lesport, Jean-François, 2011, New species of Acasta and Balanus (Balanoidea: Acastinae, Balaninae) from the Early Miocene (Burdigalian) of the Aquitaine Basin, France, Zootaxa 3109, pp. 60-68 : 63

publication ID	https://doi.org/ 10.5281/zenodo.201918
DOI	https://doi.org/10.5281/zenodo.6192584
persistent identifier	https://treatment.plazi.org/id/AA5C87A4-F749-FFBD-14DE-870709075D3A
treatment provided by	Plazi
scientific name	Acasta Leach, 1817
status

Treatment

Genus Acasta Leach, 1817 View in CoL View at ENA

Type species. Lepas spongites Poli, 1791 , by original designation.

Diagnosis. Basis deeply cup shaped, rarely flat, with circular margin, often bearing small teeth; internal surface smooth, without six radial ribs. Wall plates usually with longitudinal, internal ribs; in some species, wall plates separated by splits or windows covered by delicate membrane. Carinolaterals developed normally. Scutum with or without radial striae. Cirral armature variable, segments of anterior ramus of cirrus IV bearing hooks, or thorns, or lacking either (after Kolbasov 1993).