Dicranella? sp. aff. D.? marginata
Photo from Warshauer and Berdan, 1982
Scale bar is 1 mm
Distinguished from Ulrichia in having one or both nodes developed into long, hornlike, diverging prominences and usually with a broad frill-like border along the free edge of valves (Bassler and Kellett, 1934).
Dicranella? byrnesi (Miller, 1874)
Reference: Dalvé, 1948; Bassler and Kellett, 1934
Originally named Leperditia byrnesi, also called Aechmina byrnesi
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