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

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Observations using this methodology

Sphenotrochus andrewianus

Sphenotrochus aurantiacus

Sphenotrochus auritus

Sphenotrochus evexicostatus

Sphenotrochus excavatus

Sphenotrochus gardineri

Sphenotrochus gilchristi

Sphenotrochus hancocki

Sphenotrochus imbricaticostatus

Sphenotrochus ralphae

Sphenotrochus squiresi

Stenocyathus vermiformis