Chiroteuthid and Related Paralarvae from Hawaiian Waters
Abstract:Eleven species of paralarvae belonging to the Chiroteuthidae and related families are described from Hawaiian waters. The doratopsis stage is shown to be a diagnostic feature of the family Chiroteuthidae. This family, as now defined, includes the genera Chiroteuthis, Asperoteuthis, Grimalditeuthis and Planktoteuthis. Doratopsis sagitta, Valbyteuthis, Tankaia, Echinoteuthis and Enoptroteuthis spinicauda are placed as junior synonyms of Grimalditeuthis bonplandi, Planktoteuthis, Chiroteuthis, Mastigoteuthis and Lepidoteuthis grimaldii respectively. An unknown type of paralarva referred to as “big-fin” is described. Members of the “chiroteuthid lineage” which apparently includes the Chiroteuthidae, Mastigoteuthidae, Joubiniteuthidae, Batoteuthidae, Promachoteuthidae and “big-fin” may all have secondarily derived tentacular clubs.
Document Type: Research Article
Publication date: 1991-09-01
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