Crossodonthina Yosii 1954
Creators: name: Jiang, Ji-Gang
name: Wang, Qing-Yun
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Collembola
Poduromorpha
Neanuridae
Crossodonthina

description: Key to Crossodonthina with 3+3 eyes
1 Macrochaetae on terga smooth and pointed................................................................ 2
- Macrochaetae on terga sheathed and blunt, or serrated........................................................ 5
2 Tubercle Di on Th. II–Abd. IV reduced, represented by some chaetae........................................... 3
- Tubercle Di on Th. II–Abd. IV well defined................................................................ 4
3 Cephalic tubercle Dl, L and So separated, tubercle De on Th. II with 1 chaetae................. C. nipponica Yosii, 1954
- Cephalic tubercle Dl, L and So fused, tubercle De on Th. II with 2 chaetae................ C. koreana Yosii & Lee, 1963
4 Cephalic tubercle Dl, L and So fused, mandible with 1 basal tooth.......................... C. formosana Yosii, 1965
- Cephalic tubercle Dl, L and So independent, mandible with 3 basal tooth........................ C. acuminata sp. nov.
5 Tubercle Di on Th. II–Abd. IV reduced, represented by some chaetae, no chaetae present on furcular remnant........................................................................................... altamontana Yoshii, 1981
- Tubercle Di on Th. II–Abd. IV well defined, at least 2 chaetae present on furcular remnant........................... 6
6 Tubercle Oc with 2 chaetae, tubercle Di, De, Dl on Th. I with 3, 2, 3 chaetae respectively......... C. radiata Salmon, 1941
- Tubercle Oc with 3 chaetae, tubercle Di, De, Dl on Th. I with 1, 2, 1 chaetae respectively............................ 7
7 Cephalic tubercle Dl separate from L and So, tubercle De on Th. II with 5 (4+s) chaetae............................. 8
- Cephalic tubercle Dl fused to L and So, tubercle De on Th. II with 4 (3+s) chaetae................................ 10
8 Cephalic tubercle L separate from So, mandible with 2 basal teeth......................... C. alatoserrata Yosii, 1965
- Cephalic tubercle L fused to So, mandible with at least 3 basal teeth............................................. 9
9 Mandible with 3 rami and five fine basal teeth........................... C. tiantongshana Xiong, Chen & Ying, 2005
- Mandible with 5 rami and 3 big basal teeth......................................... C. choui Jiang & Zhang, 2012
10 Cephalic tubercle Oc with 2 short macrochaetae and 1 long macrochaeta, mandible with 3 basal teeth and 4 rami, maxilla with 3 lamellae and one of them fringed............................................... C. tridentiens Yue & Yin, 1999
- Cephalic tubercle Oc with 1 microchaeta, 1 mesochaeta and 1 macrochaeta, mandible with 4 basal teeth and 5 rami, maxilla with 2 lamellae and none of them fringed................................................... C. clavata sp. nov.
description: Published as part of Jiang, Ji-Gang & Wang, Qing-Yun, 2021, New species of Crossodonthina from Mangshan National Nature Reserve (Nanling National Forest Park), China (Collembola: Neanuridae), pp. 587-599 in Zootaxa 5071 (4) on page 598, DOI: 10.11646/zootaxa.5071.4.7, http://zenodo.org/record/5726552