Protorchestiidae

• Main Authors: Myers, A. A., Lowry, J. K.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Protorchestiidae; North Atlantic
• Online Access: https://doi.org/10.5281/zenodo.3846974; http://treatment.plazi.org/id/995A87BA7376FFACE797F8CC383DFDAC

Protorchestiidae fam. nov. Type genus. Protorchestia Bousfield, 1982. Included genera (5). Cochinorchestia Lowry & Peart, 2010; Eorchestia Bousfield, 1984; Microrchestia Bousfield, 1984; Neorchestia Friend, 1987; Protorchestia Bousfield, 1982. Category. Mascupods. Ecological type. Marsh-hoppers and forest-hoppers. Distribution. Australia and Papua New Guinea, South Africa, East Africa and Red Sea, Western Indian Ocean including Madagascar; Mauritius, Pacific South and Central America and Western North Atlantic. Diagnostic description. Antenna 1 long, reaching to at least midpoint of peduncular article 5 of antenna 2 or short, not reaching midpoint of peduncular article 5 of antenna 2. Maxilliped palp article 2 without distomedial lobe; article 4 small, distinct . Gnathopod 1 posterior margin of merus, carpus and propodus each with palmate lobes; propodus ‘subtriangular’ with well-developed posterodistal lobe. Gnathopod 2 subchelate . Pereopods 3–7 simplidactylate . Pereopod 4 dactylus basidactylate . Pereopod 5 dactylus not inflated. Pereopod 6 subequal in length or shorter than pereopod 7. Epimera 1–3 slits absent. Uropods 1–2 rami without apical spear-shaped setae. Uropod 1 male exopod not sexually dimorphic; exopod with marginal robust setae in one row or without marginal robust setae. Uropod 3 ramus subequal in length, longer than or shorter than peduncle. Telson with apical robust setae only or with apical and marginal robust setae, with 1–6 robust setae per lobe. Published as part of Myers, A. A. & Lowry, J. K., 2020, A phylogeny and classification of the Talitroidea (Amphipoda, Senticaudata) based on interpretation of morphological synapomorphies and homoplasies, pp. 281-310 in Zootaxa 4778 (2) on pages 297-298, DOI:10.11646/zootaxa.4778.2.3, http://zenodo.org/record/3826328