Notropis

Irregular (syncopic) compound of the Ancient Greek νῶτον (nôton, “back”) +‎ τρόπις (trópis, “keel”) ≈ “keeled back”, so named on account of its central dorsal ridge (carination). *Nototropis would be the analogical spelling.

Notropis m

1. A taxonomic genus within the family Cyprinidae – the eastern shiners, small freshwater fish of North America.
   • For quotations using this term, see Citations:Notropis.

• (genus): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Vertebrata – subphylum; Gnathostomata – infraphylum; Actinopterygii – superclass; Teleostei – class; Cypriniformes – order; Cyprinoidea – superfamily; Cyprinidae – family; Leuciscinae - subfamily

• (genus): Notropis atherinoides (emerald shiner) - type species; for 90 accepted species see Notropis at Fishbase.

• Notropis on Wikipedia.Wikipedia
• Notropis on Wikispecies.Wikispecies
• Notropis on Wikimedia Commons.Wikimedia Commons
• Notropis at World Register of Marine Species
• Notropis at Integrated Taxonomic Information System.
• Notropis at National Center for Biotechnology Information