New research highlights influence of intraspecific variability on biodiversity studies
Friday, January 18, 2013 - 07:01
in Biology & Nature
(Phys.org)—A study of around 100 newly collected specimens of early ammonoids (marine invertebrates with distinctive coiled shells) suggests that the number of species they belong to might have been over-estimated due to the large variability in size and shape within each species.