Tanaella

• Main Authors: Drumm, David T., Bird, Graham J.
• Format: Text
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Tanaidacea; Tanaellidae; Tanaella; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.5673128; https://zenodo.org/record/5673128

Key to species of the genus Tanaella (modified after Guerrero-Kommritz & Błażewicz-Paszkowycz 2004) 1. Uropod endopod two-articled............................................................................ 2 - Uropod endopod one-articled............................................................................6 2. Cephalothorax as long as broad............................................................ T. rotundicephala - Cephalothorax longer than broad......................................................................... 3 3. Uropods shorter than length of pleotelson........................................................... T. dongo - Uropods longer than length of pleotelson...................................................................4 4. Pleotelson as long as combined length of first two pleonites......................................... T. propinquus - Pleotelson longer than combined length of first two pleonites................................................... 5 5. Antennule article-1 shorter than combined length of last three articles................................... T. unisetosa - Antennule article-1 longer than combined length of last three articles.................................... T. forcifera 6. Uropods longer than pleotelson........................................................................... 7 - Uropods as long as, or shorter than, pleotelson.............................................................. 12 7. Pleotelson tapering posteriorly to a pointed or rounded apex.................................................... 8 - Pleotelson not tapering posteriorly; rounded apex........................................................... 10 8. At least one pereonite as long as wide, or longer than wide........................................... T. tuberculata - All pereonites wider than long...........................................................................9 9. Pleonites 2–5 rounded lateral edges. Pleotelson longer than combined length of four pleonites............. T. busteri n. sp . - Pleonites 2–5 straight lateral edges. Pleotelson as long as combined length of three pleonites................. T. profunda 10. Uropod basal article as long as endopod......................................................... T. kommritzia - Uropod basal article shorter than endopod.................................................................11 11. Some pereonites longer than wide. Uropod basal article shorter than half of endopod....................... T. ochracea - All pereonites wider than long. Uropod basal article more than half length of endopod.................... T. prolixcauda 12. Cheliped dactylus with proximal process on inner margin........................................... T. unguicillata - Cheliped dactylus without proximal process on inner margin.................................................. 13 13. Uropod shorter than pleotelson. Pereopods 4–6 with ventral margin of propodus serrate............................. 14 - Uropod as long as pleotelson. Pereopods 4–6 with ventral margin of propodus not serrate........................... 16 14. Antenna article-4 without fusion line. Pereopod-1 basis margin with minute setae.............................. T. kimi - Antenna article-4 with fusion line. Pereopod-1 basis margin without minute setae.................................. 15 15. Uropod more than two-thirds as long as pleotelson.................................................... T. kroyeri - Uropod about half as long as pleotelson.......................................................... T. mclellandi 16. Basis of pereopods 1–3 longer than remainder of the pereopod...................................... T. paraforcifera - Basis of pereopods 1–3 shorter than remainder of the pereopod........................................ T. eltaninae : Published as part of Drumm, David T. & Bird, Graham J., 2016, New deep-sea Paratanaoidea (Crustacea: Peracarida: Tanaidacea) from the northeastern Gulf of Mexico, pp. 389-414 in Zootaxa 4154 (4) on pages 402-403, DOI: 10.11646/zootaxa.4154.4.2, http://zenodo.org/record/260424 : {"references": ["Guerrero-Kommritz, J. & Blazewicz-Paszkowycz, M. (2004) New species of Tanaella Norman and Stebbing, 1886 (Crustacea: Peracarida) from the deep-sea of the Antarctica and the Angola Basin. Zootaxa, 459, 1 - 20."]}