Chitinactis GUSMÃO & RODRÍGUEZ

CHITINACTIS GUSMÃO & RODRÍGUEZ

Z o o b a n k r e g i s t r a t i o n: u r n: l s i d: z o o b a n k. org:act: 8BEB8002-DA39-40B2-B1C0-00CF77A01F54

Diagnosis: Actinostolidae with a broad base. Column low, firm, slightly rugose, with rows of mesogleal tubercles. Margin distinct. Sphincter mesogleal, strong. Tentacles without aboral thickenings or batteries of nematocysts; mesogleal longitudinal musculature in tentacles. Considerably more mesenteries proximally than distally; one cycle of perfect mesenteries. Younger cycles of mesenteries with unequal development between members of the pairs. Retractors well developed, diffuse; strong parietobasilar and basilar musculature. Cnidom: gracile spirocysts, basitrichs, b -mastigophores and p -mastigophores A.

Type species: Chitinactis marmara by original designation.

Etymology: From chitine the Latinized form of the Greek χιτών, a tunic, referring to the thick cuticle covering species of this genus, and the Latinized Greek suffix - actis, from ακτίνα, a ray. The gender is feminine.