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

Pachydictyon

Botany

Taxonomy

Algues 93

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 93

Pachydictyon

Zoology

Specimens registered in collections

Collection Number of specimens (or sets)
Marine Laboratory of Concarneau (CO) 1