Neoplecostomus
Creators: name: Zawadzki, Cláudio Henrique
name: Pavanelli, Carla Simone
name: Langeani, Francisco
Publisher: name: Zenodo
Year: 2008
Subjects: Biodiversity
Taxonomy
Animalia
Chordata
Actinopterygii
Siluriformes
Loricariidae
Neoplecostomus

description: Key to species of Neoplecostomus
1 Dorsal-fin spinelet absent or weakly developed, usually narrower than dorsal-fin spine...........................2
- Dorsal-fin spinelet present and always wider than dorsal-fin spine............................................................3
2 Three plates in ventral head region, just ahead gill openings; dentary teeth followed by two rows of large and transversally flattened papillae ......................................................................................... N. ribeirensis
- One large plate in ventral head region, just ahead gill openings; dentary teeth followed by three irregular rows of large and transversally flattened papillae ............................................................. N. franciscoensis
3 Adipose fin absent or poorly developed ................................................................................ N. paranensis
- Adipose fin well developed.........................................................................................................................4
4 Mature males with enlarged odontodes on distinct swollen skin, along lateral margins of snout...............5
- Mature males without enlarged odontodes on distinct swollen skin along lateral margins of snout...........6
5 Mature males with enlarged odontodes on distinct swollen skin along a ridge in front of eye..................... ............................................................................................................................................ N. selenae n. sp.
- Mature males neither with enlarged odontodes or distinct swollen skin along a ridge in front of eye ......... ................................................................................................................................................ N. yapo n. sp.
6 Plates in lateral line 34 to 43; plates between adipose and caudal fin 10 to 13........................ N. granosus
- Plates in lateral line 27 to 33; plates between adipose and caudal fin 4 to 9...............................................7
7 Cleithral width 24.9 to 27.6% of SL; orbital diameter 12.2 to 13.0% of HL ................... N. corumba n. sp.
- Cleithral width 17.0 to 23.0% of SL; orbital diameter 6.0 to 11.0% of HL................................................8
8 Premaxilary teeth 19 to 38 and dentary teeth 15 to 35 ................................................. N. espiritosantensis
- Premaxilary teeth 9 to 17 and dentary teeth 5 to 12....................................................................................9
9 Head length 26.2 to 26.8% of SL; cleithral width 25.3 to 25.4% of SL................................. N. variipictus
- Head length 29.0 to 32.0% of SL; cleithral width 19.0 to 23.0% of SL..................................... N. microps
description: Published as part of Zawadzki, Cláudio Henrique, Pavanelli, Carla Simone & Langeani, Francisco, 2008, Neoplecostomus (Teleostei: Loricariidae) from the upper Rio Paraná basin, Brazil, with description of three new species, pp. 31-48 in Zootaxa 1757 on page 46, DOI: 10.5281/zenodo.181836