Pineda-Enríquez T et al. (2013), Ophioderma peruana, a new species of brittlesta...

ECB-ART-43183

Zookeys 2013 Dec 02;357:53-65. doi: 10.3897/zookeys.357.6176.

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Ophioderma peruana, a new species of brittlestar (Echinodermata, Ophiuroidea, Ophiodermatidae) from the Peruvian coast.

Pineda-Enríquez T , Solís-Marín FA , Hooker Y , Alfredo Laguarda-Figueras .

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Ophioderma peruana sp. n. is a new species of Ophiodermatidae, extending the distribution of the genus Ophioderma to Lobos de Afuera Island, Peru, easily distinguishable from its congeners by its peculiarly fragmented dorsal arm plates. Dense granules, rounded or polygonal cover the disc, the radial shields may be naked or completely covered by granules. A good character for recognizing this species in the field is the dorsal side of the disc which is brown with disc granules lighter cream and brown, the arms are mottled with whitish spots and the ventral part of the disc on the interradial part is brown and the radial part bright yellow.

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References :

Boissin, Did vicariance and adaptation drive cryptic speciation and evolution of brooding in Ophioderma longicauda (Echinodermata: Ophiuroidea), a common Atlanto-Mediterranean ophiuroid? 2011, Pubmed, Echinobase

	Figure 1. Collecting sites of Ophioderma peruana sp. n. A complete map of America B1 Hooker Reef, Punta Sal 2 Quebrada Verde, El Ñuro 3 Lobos de Afuera Island, Peru.
	Figure 2. Ophioderma peruana sp. n., holotype (CZA-363). A aboral view B oral view C aboral disc and basal portion of the arms D oral disc and basal portion of the arms E jaws F oral portion of the disc and pair of genital slits.
	Figure 3. Ophioderma peruana sp. n., holotype (CZA-363). A basal portion of the arms with fragmented dorsal arm plates B dorsal arm plates fragmented in several pieces C ventral arm plates and tentacle scales D lateral view of the arm spines.
	Figure 4. Ophioderma peruana sp. n.non-type preserved material (alcohol) showing different colors variations. A specimen in situ B CZA-394 (14 mm DD) radial shields naked C CZA-392 (28 mm DD) radial shields naked D CZA-390 (35 mm DD) radial shields covered by disc granules.