Methodology: Derived from range map

ID: 9

Description:

Usually concerned with the presence or absence of a species in a geographic location.

Used for traits:

Added by: Joshua Madin

Observations using this methodology

Crispatotrochus cornu

Crispatotrochus curvatus

Crispatotrochus foxi

Crispatotrochus galapagensis

Crispatotrochus inornatus

Crispatotrochus irregularis

Crispatotrochus niinoi

Crispatotrochus rubescens

Crispatotrochus rugosus

Crispatotrochus squiresi

Crispatotrochus woodsi

Cryptotrochus brevipalus