Otothyropsis

Calegari, Bárbara B., Lehmann, Pablo & Reis, Roberto E., 2013, Two new species of cascudinhos of the genus Otothyropsis (Siluriformes: Hypoptopomatinae) from the rio Paraná basin, Brazil, Zootaxa 3619 (2), pp. 130-144 : 142

publication ID

https://doi.org/ 10.11646/zootaxa.3619.2.2

publication LSID

lsid:zoobank.org:pub:6E7DBAA6-6CCA-47C1-BBE3-90876BDD1807

DOI

https://doi.org/10.5281/zenodo.5616428

persistent identifier

https://treatment.plazi.org/id/03CFE854-FFDE-FFA5-1DE8-236F1E9DF842

treatment provided by

Plazi

scientific name

Otothyropsis
status

 

Key to species of Otothyropsis View in CoL View at ENA

1a. Middle series of lateral plates truncated at least two plates before the caudal fin; plates in middle lateral series 19–22..... 2

1b. Middle series of lateral plates reaching to the caudal-fin origin; plates in middle lateral series 24–26................... 3

2a. Mid-dorsal series of lateral plates discontinuous with 10–11 total plates with an intermediate gap of 4–5 plates; abdominal region entirely covered by platelets................................................... Otothyropsis marapoama View in CoL

2b. Mid-dorsal series of lateral plates continuous with 17–18 plates; abdominal region with extensive naked areas.............................................................................................. Otothyropsis piribebuy View in CoL

3a. Premaxillary and dentary teeth 19–31; pectoral-fin spine 21.4–26.9% SL; hyaline spot on lower lobe of caudal fin always with small dark dots ( Fig. 4 View FIGURE 4 A, B); odontodes on caudal peduncle conspicuously arranged in lines........ Otothyropsis polyodon View in CoL

3b. Premaxillary and dentary teeth 13–20; pectoral-fin spine 18.6–21.3% SL; hyaline spot on lower lobe of caudal fin completely devoid of dark dots ( Fig. 4 View FIGURE 4 C, D); odontodes on caudal peduncle not arranged in lines............. Otothyropsis biamnicus View in CoL

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF