Phanerobranchus Cocco [A.] 1846:63 Masc. Phanerobranchus krohnii Cocco 1846. Type by monotypy. Not available; preoccupied by Phanerobranchus Leuckart 1821 in Amphibia; not replaced. Based on an undetermined larva. Original not examined; spelling of species unconfirmed. 1°Homonym. Current status: Unknown.