Turbellaria --- Distribution records

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for Castrella vernalis

site collection date depth substrate salin locality kind comments reference
A Perm (Perm'), Russia1921 or earlier       default type Perm, 29 April, in geringer Zahl zusammen mit Microdalyellia nanella; offenbar eine Frühlingsform wie diese. Beklemischev VN (1921) from Luther 1955 (citation)- p. 288