Crossodonthina, Yosii, 1954
publication ID |
https://doi.org/ 10.11646/zootaxa.5277.3.4 |
publication LSID |
lsid:zoobank.org:pub:370FD825-6147-4DB0-86B8-29371F03E50E |
DOI |
https://doi.org/10.5281/zenodo.7896072 |
persistent identifier |
https://treatment.plazi.org/id/B2008797-A11A-FFEB-5DA8-FF85FA2FFB10 |
treatment provided by |
Plazi |
scientific name |
Crossodonthina |
status |
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Key to the genus Crossodonthina View in CoL View at ENA
This key is partially based on Luo & Chen (2009) and Jiang & Wang (2021).
1 Eyes 2+2........................................................................................... 2
- Eyes 3+3........................................................................................... 5
2 Tubercle Oc with 2 chaetae......................................... C. hainana Xiong, Chen & Yin, 2005 ( China) View in CoL
- Tubercle Oc with 3 chaetae............................................................................. 3
3 Tubercles Di fused on Abd. V............................................ C. bidentata Luo & Chen, 2009 ( China) View in CoL
- Tubercles Di separated on Abd. V........................................................................ 4
4 Mandible with 3 rami and 1 basal tooth..................................... C. montana Lee & Kim, 1990 ( China) View in CoL
- Mandible with 2 rami and 2 basal teeth...................... C. langshanensis Hu, Jiang View in CoL C. & Jiang J.G., 2019 ( China)
5 Body macrochaetae smooth............................................................................. 6
- Body macrochaetae sheathed or serrated.................................................................. 9
6 Tubercle Di on Th. II–Abd. IV reduced, represented by some chaetae........................................... 7
- Tubercle Di on Th. II–Abd. IV well defined................................................................ 8
7 Tubercles De and Dl separated on Abd. V, mandible with 3 rami...................... C. nipponica Yosii, 1954 ( Japan) View in CoL
- Tubercles De and Dl fused on Abd. V, mandible with 4 rami.............. C. koreana Yosii & Lee, 1963 View in CoL ( Korea & Japan)
8 Cephalic tubercles Dl, L and So fused, mandible with 1 basal tooth.................... C. formosana Yosii, 1965 ( China) View in CoL
- Cephalic tubercles Dl, L and So independent, mandible with 3 basal teeth...... C. acuminata Jiang & Wang, 2021 ( China)
9 Cephalic tubercles 2Di and 2De fused.................................... C. altamontana Yoshii, 1981 ( Malaysia) View in CoL
- Cephalic tubercles 2Di and 2De separated................................................................ 10
10 Tubercle Oc with 2 chaetae, tubercle Di, De, Dl on Th. I with 3, 2, 3 chaetae respectively............................................................................................... C. radiata ( Salmon, 1941) View in CoL ( New Zealand)
- Tubercle Oc with 3 chaetae, tubercle Di, De, Dl on Th. I with 1, 2, 1 chaetae respectively........................... 11
11 Mandible with dendritic rami.......................................................................... 12
- Mandible without dendritic rami........................................................................ 14
12 Tubercles De and Dl fused on Abd. V, mandible with fringed lamella............. C. tridentiens Yue & Yin, 1999 ( China) View in CoL
- Tubercles De and Dl separated on Abd. V, mandible without fringed lamella..................................... 13
13 Maxillary head with ciliates, macrochaeta pointed, body monocolor......................................................................................... C. laterisensillata Ohira, Kataoka, Tanooka & Nakamori, 2022 ( Japan) View in CoL
- Maxillary head without ciliates, macrochaeta blunt, body bicolor.......................... C. elegans sp. nov. ( Japan)
14 Cephalic tubercle L separate from So, mandible with 2 basal teeth.................. C. alatoserrata Yosii, 1965 ( China) View in CoL
- Cephalic tubercle L fused to So, mandible with at least 3 basal teeth............................................ 15
15 Mandible with 3 rami and 5 basal teeth........................... C. tiantongshana Xiong, Chen & Yin, 2005 ( China) View in CoL
- Mandible with 5 rami and 3 or 4 basal teeth............................................................... 16
16 Tubercle De on Th. II with 5 (4+s) chaetae, mandible with 3 basal teeth............ C. choui Jiang & Zhang, 2012 ( China) View in CoL
- Tubercle De on Th. II with 4 (3+s) chaetae, mandible with 4 basal teeth........... C. clavata Jiang & Wang, 2021 ( China)
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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