Taeniacanthidae
Creators: name: Tang, Danny
name: Izawa, Kunihiko
Publisher: name: Zenodo
Year: 2005
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Maxillopoda
Poecilostomatoida
Taeniacanthidae

description: Key to the genera of Taeniacanthidae (based on adult females)
1. Leg 2 with inner coxal seta ........................................................................................... 2
­ Leg 2 without inner coxal seta .................................................................................... 10
2. Postantennal process absent .......................................................................................... 3
­ Postantennal process present ......................................................................................... 5
3. Rostral area with posteriorly directed, spiniform process on ventromedian surface ...... .............................................................................................................. Taeniacanthodes
­ Rostral area otherwise ................................................................................................... 4
4. Rostral area with Y­shaped, sclerotised structure bearing transverse rows of hooklets or ridges ......................................................................................... Pseudotaeniacanthus
­ Rostral area otherwise ......................................................................................... Phagus
5. Second pedigerous somite slender and long, forming elongate neck .......... Scolecicara
­ Second pedigerous somite not forming elongate neck.................................................. 6
6. Maxilliped claw absent.......................................................................................... Irodes
­ Maxilliped claw present ................................................................................................ 7
7. Uncinate process posterior to antennule base present....................... Biacanthus gen. n.
­ Uncinate process posterior to antennule base absent .................................................... 8
8. Rostral area with corrugated shield­like structure on ventromedian surface.................. .................................................................................................................... Taeniastrotos
­ Rostral area otherwise ................................................................................................... 9
9. Maxilliped claw with 2 long whip­like setae extending to or beyond distal limit of claw ..................................................................................................................... Anchistrotos
­ Maxilliped claw without 2 long, whip­like setae ..................................... Caudacanthus
10. Rami of leg 1 not flattened and expanded; setae on legs 1–4 spinulated.................... 11
­ Rami of leg 1 flattened and expanded; setae on legs 1–4 with long pinnules............. 12
11. Second pedigerous somite partially or completely fused to cephalothorax; maxilliped present ......................................................................................................... Clavisodalis
­ Second pedigerous somite free; maxilliped absent .......................................... Echinirus
12. Maxilliped reduced to pear­shaped swelling bearing a slender process armed with 3 setae .........................................................................................................Echinosocius
­ Maxilliped with well­developed basis and claw, or with well­developed basis but claw absent on distinct terminal segment ............................................................................ 13
13. Cephalothorax with ventrally directed lateral margins .................... Metataeniacanthus
­ Cephalothorax without ventrally directed lateral margins .......................................... 14
14. Maxilliped claw absent on terminal segment............................................... Nudisodalis
­ Maxilliped claw present on terminal segment............................................................. 15
15. Maxilliped with claw curved toward basis................................................. Cirracanthus
­ Maxilliped otherwise................................................................................ Taeniacanthus
description: Published as part of Tang, Danny & Izawa, Kunihiko, 2005, Biacanthus pleuronichthydis (Yamaguti, 1939) gen. n., comb. n. (Copepoda: Taeniacanthidae), an ectoparasite of flatfishes from Japanese waters, pp. 47-60 in Zootaxa 1071 on pages 59-60, DOI: 10.5281/zenodo.170310