form genus

noun Biology.

an artificial taxonomic category including species, especially of fossil forms, grouped together on the basis of morphological resemblance.

Origin of form genus

First recorded in 1870–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for form genus

form genus

noun

a group of species (form species) that have similar structural characteristics but are not closely related

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012