Melita shimizui subsp. sakhalinensis Labay, 2016, ssp. nov.

• Main Author: Labay, Vjacheslav S.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Melitidae; Melita; Melita shimizui; Melita shimizui sakhalinensis; Sakhalin
• Online Access: https://doi.org/10.5281/zenodo.5014621; http://treatment.plazi.org/id/995B87D6FFD6FF8DFF3AF88AC72A02E4

Melita shimizui sakhalinensis ssp. nov. Figures 22–27, 28 e Diagnosis . Head with minute rostrum, lateral cephalic lobes rounded, with noth; eyes medium in size, suboval. Dorsal surface of pleon segments 1–3 smooth, without medial dorsal teeth. Urosome segment 1 smooth dorsally; urosome 2 with two short stout setae on each side of middorsal line. Telson lobes with subapical notches. Antenna 1: accessory flagellum very short, 1+ articulated. Maxilla 2, inner plate, facial setae row absent. Propodus of pereopod 1 (male) excavated at basal part of palmar margin, with a distinct protuberance at the middle; distal palmar margin is short, convex roundly. Dactylus of pereopod 1 (male) short, with a tri-lobed process on inner margin. Propodus of pereopod 2 (male) oval elongated, without clear palmar corner; palm oblique, serrate, slightly tuberculate. Anterior lobe of coxa 6 (female) very long, hooked, apical part distorted. Uropod 3: outer ramus 1- segmented, elongated, with 3–4 groups of stout setae along both lateral and median margins. Type material . Holotype: male, 5.1 mm, X 44094 /Cr-1669, low part of estuary of Tzunay river (basin of Aniva Bay, Sea of Okhotsk) (46°45'32" N, 142°40'27" E), sands and silt, E.S. Korneev & P.V. Polupanov, August 2014. Paratypes: 5 males, X 44095 /Cr-1670; 6 females, X 44096 /Cr-1671 with same data as holotype. Paratype: female, 4.5 mm, X 44097 /Cr-1672, low part of estuary of Susuja river (basin of Aniva Bay, Sea of Okhotsk) (46°45'07" N, 142°43'10" E), sands and silt, E.S. Korneev & P.V. Polupanov, August 2014. Paratypes: 2 males, X 44098 /Cr-1673 with same data. Paratype: female, 4.8 mm, X 44099 /Cr-1674, the channel of the lagoon lake Ptichje, south-east Sakhalin, Far East of Russia (54T 697139, 5143045, plankton nets), V.S. Labay, 17 July 2012. Type locality . Estuary of Tzunay river (basin of Aniva Bay, Sea of Okhotsk) (46°45'32" N, 142°40'27" E). Description . Male (5.1 mm). Small size species. Vital body color light-grey. Pereon segments 1–7 smooth dorsally, without ...