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Glossary of Herpetological Terms

... compiled by Dave Royans & Sue Knight
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Term Definition
Nano
Greek: Meaning Dwarf
Neonate

A new born snake refers to both live birthed and hatched animals.

Neurotoxic
The properties of certain components in some venoms that interrupt the transmission of messages to nerves resulting in paralysis or convulsions.
Nigri
Latin: Meaning Black
Nocturnal
Nocturnal - term used to describe a night active animal.
Nolvasan
Nolvasan is the brand name for chlorhexidine diacetate. It is a disinfectant and wound cleanser that has a very low toxicity rate.
nom. nov
Latin: nomen nova. A new name formed to replace an earlier name that is either ambiguous or illegitimate.
Nomen dubium

A scientific name that can’t or shouldn’t be assigned to any species currently known from the Latin meaning ’doubtful name’.

Nomen nudum

A Latin term applied to a proposed taxonomic name that falls outside the criteria of the Interantional Code of Zoological Nomenclature therefore being invalid.

Nonrandom Elimination
A process of natural selection or evolution whereby animals that are ’unfit’ within their environment (ultimately) fail to pass on genetic material to future populations.
Notos
Latin: Meaning Southern
This site has information on the following genera of Ratsnakes ... Spilotes, Spalerosophis, Ptyas, Zamenis, Elaphe, Rhinechis, Senticolis, Pseudelaphe, Pantherophis, Bogertophis, Orthriophis, Gonyosoma, Oreocryptophis, Oocatochus, Euprepiophis, Coelognathus, Archelaphe