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An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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| by Paul S. Mikkelsen | |||
| Term | Definition |
| INVALID SPECIES | Names not to be used; said of an improper name (those proposed improperly) in TAXONOMY. Do not confuse with validly proposed names which have become NOMINAL SPECIES or SYNONYMS. | |
| NEW SPECIES | A previously undescribed SPECIES; = SPECIES NOVUM. | |
| NOMINAL SPECIES | Any named SPECIES, regardless of the validity of the name. Nominal species names may become SYNONYMS of accepted species names. | |
| SPECIES | [need definition]; see also: SUBSPECIES; DIAGNOSIS. | |
| SPECIES NOVUM (abbrev: SP. NOV.; SPEC. NOV.) |
A new SPECIES; Used in publication the first time (and first time only!) that a new BINOMEN is presented; e.g. "Acteocina atrata, spec. nov." as published in The Veliger 27(2):164-192. See also: GENUS NOVUM | |
| SUBSPECIES | [need definition]; see also: FORM; SPECIES; VARIETY. | |
| TYPE SPECIES | A SPECIES chosen as representative of an entire GENUS. | |
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