The name Isthmia is a slight homonymy case. This name is used according to the rules of several different nomenclatural codes.

Isthmia

Botany

Taxonomy

Algues 120

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 121

Isthmia

Zoology

Taxonomy

Mollusca 2
Gastropoda 2
Stylommatophora 2
Valloniidae 2

Specimens registered in collections

Collection Number of specimens (or sets)
Paleontology (F) 2