Torbenella Baba 2008

Key to species of Torbenella 1. Second abdominal somite unarmed.................................................................................................. 2 – Second abdominal somite with 2 median spines on anterior ridge.................................................. 4 2. Thoracic sternite 3 wide, more than 3 times as wide as long. Posterior ridge of abdominal somite 4 unarmed. Anterolateral spine of carapace short, not reaching sinus between rostral and supracocular spines.................................................................................................. T. calvata (Macpherson, 2006) – Thoracic sternite 3 narrow, less than 3 times as wide as long. Posterior ridge of abdominal somite 4 usually with small median spine. Anterolateral spine of carapace well developed, barely reaching sinus between rostral and supracocular spines................................................................................. 3 3. Some transverse ridges of carapace uninterrupted. Abdominal somites 2–3 each with 3 transverse ridges in addition to anterior ridge.................................................................... T. aequabilis sp. nov. – All transverse ridges of carapace laterally or medially interrupted. Abdominal somites 2–3 each with 1 or 2 transverse ridges in addition to anterior ridge............................................. T. crateris sp. nov. 4. Antennal article 2 with distomesial spine strong, overreaching midlength of article 4. P2–4 dactyli armed with row of spinules on proximal two-thirds of flexor margin................................................ ............................................................................................................ T. insolita (Macpherson, 2004) – Antennal article 2 with distomesial spine of moderate size, reaching midlength of article 3. P2–4 dactyli unarmed or with a few spinules on proximal half of flexor margin...................................... 5 5. Thoracic sternite 3 wide, more than 3 times as wide as long. Posterior ridge of abdominal somite 4 unarmed................................................................................................................. T. mensae sp. nov. – Thoracic sternite 3 moderately wide, less than 3 times as wide as long. Posterior ridge of abdominal somite 4 usually with small median spine....................................................................................... 6 6. P2–4 dactyli slender, 7.5 times as long as wide; flexor margin unarmed ......... T. orbis (Baba, 2005) – P2–4 dactyli moderately slender, 5.5 times as long as wide; flexor margin with a few spinules on proximal half................................................................................................................ T. lupi sp. nov.
Published as part of Macpherson, Enrique, Rodríguez-Flores, Paula C. & Machordom, Annie, 2023, Integrative approach to describe new species of squat lobsters of the genera Heteronida Baba & de Saint Laurent, 1996 and Torbenella Baba, 2008 (Decapoda, Munididae) from the Southwestern Pacific Ocean, pp. 116-140 in European Journal of Taxonomy 860 (1) on page 136, DOI: 10.5852/ejt.2023.860.2055, http://zenodo.org/record/7689432
{"references":["Macpherson E. 2004. Species of the genus Munida Leach, 1820 and related genera from Fiji and Tonga (Crustacea: Decapoda: Galatheidae). In: Marshall B. A. & Richer de Forges B. (eds) Tropical Deep-Sea Benthos 23. Memoires du Museum national d'histoire naturelle 191: 231 - 292.","Baba K. 2005. Deep-sea chirostylid and galatheid crustaceans (Decapoda: Anomura) from the Indo- West Pacific, with a list of species. Galathea Reports 20: 1 - 317."]}