Polycopinae
Creators: name: Tanaka, Hayato
name: Tsukagoshi, Akira
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Ostracoda
Halocyprida
Polycopidae

description: Key to genera of Polycopinae
(adapted from Chavtur, 1981; Kornicker & Iliffe, 1989)
1 Dorsal margin of second podomere of antennula with large process .................................................. Parapolycopissa
- Dorsal margin of second podomere of antennula without large process ...................................................................... 2
2 Exopodite of maxillula shorter than basis; furcal claws short and broad; copulatory organ flagellate .... Parapolycope
- Exopodite of maxillula longer than basis; furcal claws slender; copulatory organ not flagellate ................................ 3
3 Exopodite of mandibula with two podomeres with or without setae ........................................................................... 4
- Exopodite of mandibula represented by seta, or by one podomere with one to three setae ....................................... 11
4 Distal podomere of mandibular exopodite reduced in form of tubercle.................................................. Hexapolycope
- Distal podomere of mandibular exopodite well developed, tip either narrow or funnel-shaped.................................. 5
5 Carapace with rostrum; endopodite of male antenna with dorsal process.............................................. Pontopolycope
- Carapace without rostrum (anterodorsal tooth may be in place of rostrum); endopodite of male antenna with or with- out dorsal process.......................................................................................................................................................... 6
6 Frontal organ represented by two setae ........................................................................................................................7
- Frontal organ represented by one seta (which may be divided distally into two setae with common base). ............... 9
7 Carapace length less than 0.4mm; basis of mandibula with three ventral setae, distal podomere of exopodite stout and conical .............................................................................................................................................. Micropolycope
- Carapace length more than 0.4mm; basis of mandibula with four ventral and one distolateral setae, distal podomere of exopodite not stout and conical ................................................................................................................................ 8
8 Exopodite of mandibula without seta; endopodite of male antenna with hook-shaped process ............ Archypolycope
- Exopodite of mandibula with one seta; endopodite of male antenna without hook-shaped process............... Polycope
9 Frontal organ not distally divided ................................................................................................................ Eupolycope
- Frontal organ distally divided ..................................................................................................................................... 10
10 Frontal organ divided at midlength; endopodite of male antenna with hook-shaped process and dorsal process ......... ..................................................................................................................................................................... Polycopetta
- Frontal organ divided near its base; endopodite of male antenna without hook-shaped process and dorsal process .... .............................................................................................................................................................. Pseudopolycope
11 Exopodite of mandibula without single podomere but represented by 1 seta ............................................ Polycopiella
- Exopodite of mandibula with single joint with one to three setae.............................................................................. 12
12 Exopodite of mandibula with one seta.................................................................................................... Orthopolycope
- Exopodite of mandibula with two or three setae. ....................................................................................................... 13
13 Exopodite of mandibula with two setae .......................................................................................................Polycopissa
- Exopodite of mandibula with three setae.................................................................................................... Polycopinna
description: Published as part of Tanaka, Hayato & Tsukagoshi, Akira, 2010, Two new interstitial species of the genus Parapolycope (Crustacea: Ostracoda) from central Japan, pp. 39-57 in Zootaxa 2500 on pages 56-57, DOI: 10.5281/zenodo.195811