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Samuraia tabularasa gen. nov., sp. nov. (Cnidaria, Hydrozoa, Hydrocorynidae), an intertidal hydroid from the Gulf of California, Mexico

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Abstract

Samuraia tabularasa, the samurai hydroid, a previously unreported genus and species of athecate hydrozoan, family Hydrocorynidae, is described, based upon field and laboratory observations. Colonies live attached to rocky substrates in the middle of the intertidal zone in the northern and central Gulf of California, Mexico. The principal characters that allow this species to be referred to a new genus are associated with its mode of sexual reproduction by eumedusoids that can remain attached to the colony, or be released as ephemeral, rudimentary structures. This is in contrast to the feeding, free medusae produced by the two species of the other genus, Hydrocoryne, in the family Hydrocorynidae.

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  1. K. L. Mangin

    Present address: Department of Biology, Sinsheimer Laboratories, University of California, 95064, Santa Cruz, California, USA

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  1. Department of Ecology & Evolutionary Biology, University of Arizona, 85721, Tucson, Arizona, USA

    K. L. Mangin

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  1. K. L. Mangin
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Mangin, K.L. Samuraia tabularasa gen. nov., sp. nov. (Cnidaria, Hydrozoa, Hydrocorynidae), an intertidal hydroid from the Gulf of California, Mexico. Hydrobiologia 216, 443–451 (1991). https://doi.org/10.1007/BF00026498

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