Diastylis sp. 1

Rodríguez-Uribe, María C., Jarquín-González, Jani, Salazar-Silva, Patricia, Chávez-Dagostino, Rosa M. & Balzaretti Merino, Natalia, 2024, Cumaceans (Crustacea, Peracarida) associated with shallow-water hydrothermal vents at Banderas Bay, Mexico, Biodiversity Data Journal 12, pp. e 139801-e 139801 : e139801-

Diastylis sp. 1

Materials

Type status: Other material. Occurrence: recordedBy: María C. Rodríguez-Uribe, Rosa M. Chávez-Dagostino, Natalia Balzaretti Merino; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: CA9DE74D-95FC-5792-B4CA-2A9A43F4E7C1; Taxon: class: Malacostraca; order: Cumacea ; family: Diastylidae ; genus: Diastylis ; taxonRank: genus; Location: higherGeography: Mexican Central Pacific; continent: American; waterBody: Banderas Bay; country: Mexico; stateProvince: Nayarit; locality: shallow-water hydrothermal vents of Punta Mita ; verbatimDepth: 10 m; verbatimCoordinateSystem: 20°44’54.8”N 105°28’40.4”W; Event: year: 2017; month: 11; day: 17; habitat: in fine sand

Description

The carapace is tumid, with lateral and transversal ridges. The antenna does not extend beyond pereonite 5 (male). Third and fourth pereonites not coalesced. Pereopods 3 and 4 with small exopods. Telson with one pair of subdistal setae. With two pairs of pleopods (male). Telson is longer than the sixth pleonite (considering the post-anal part). The post-anal part of the telson is longer than the pre-anal part. Uropodal endopod tri-articulated (Fig. 2 D).

Figures

Figure 2. Representative cumacean morphospecies of each family. A-C Bodotriidae: Cyclaspis sp. 1 (A); Cyclaspis sp. 2 (B); Pseudoleptocuma sp. 1 (C); D-F Diastylidae: Diastylis sp. 1 (D); Oxyurostylis sp. 1, male (E); Oxyurostylis sp. 1, female; G Pseudocumatidae: Pseudocuma sp. 1 (G).