Diatoma tenue
var.
pachycephala
Grun. 1881
Length:
112.5
Width:
2.5
Costae:
9
Striae:
Collection
1223
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Authority information
Grunon
in
: Van Heurck, Syn. Diat. Belgique, pl. 50, fig. 15. 1881 (
Stoermer and Yang 1969
).
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Synonyms
Ecology
Size ranges and morphology