Crossodonthina
Creators: name: Luo, Yongzheng
name: Chen, Jian-Xiu
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Entognatha
Collembola
Neanuridae
Crossodonthina

description: Key to the species of the genus Crossodonthina
1 Eyes 2+2 ....................................................................................................................................................................... 2
- Eyes 3+3 ....................................................................................................................................................................... 4
2 Tubercles Di fused on Abd. V .................................................................................................... C. bidentata, sp. nov.
- Tubercles Di separate on Abd. V .................................................................................................................................. 3
3 Four setae on furcular remnant, mandible 3-branched with 1 basal tooth.................................................. C. montana
- Six setae on furcular remnant, mandible 2-branched with 3 basal tooth..................................................... C. hainana
4 Th. II-Abd. II with unpaired tubercles ...................................................... C. radiata (Salmon), 1941 (New Zealand)
- Th. II-Abd. II without unpaired tubercles..................................................................................................................... 5
5 Four tubercles (2 Di and 2 De) fused on cephalic posterior (occipital) area ...... C. altamontana Yoshii, 1981 (Sabah)
- Four tubercles (2 Di and 2 De) separate on cephalic posterior (occipital) area.............................................................. 6
6 Cephalic tubercle Fr without seta O ........................................................................................................ C. formosana
- Cephalic tubercle Fr with seta O .................................................................................................................................. 7
7 Tubercles Di on Th. II-Abd. IV absent ......................................................................................................................... 8
- Tubercles Di on Th. II-Abd. IV distinct ....................................................................................................................... 9
8 Maxilla consisting of 3 stylets, inner one with fringed margin ....................... C. koreana Yosii & Lee, 1963 (Korea)
- Maxilla consisting of 2 stylets, inner one without fringed margin ........................... C. nipponica Yosii, 1954 (Japan)
9 Unguis with 3 inner teeth................................................................................................................... C. tiantongshana
- Unguis with 1 inner tooth ........................................................................................................................................... 10
10 Mandible 2-branched; maxilla 2-branched, each branch simple .......................................................... C. alatoserrata
- Mandible 4-branched; maxilla 2-branched, one branch simple, another bifurcated .............................. C. tridentiens
description: Published as part of Luo, Yongzheng & Chen, Jian-Xiu, 2009, A new species of the genus Crossodonthina (Collembola: Neanuridae: Lobellini) from China, pp. 57-63 in Zootaxa 2121 on pages 57-58, DOI: 10.5281/zenodo.188101