Ostracoda
Species

Collibolbina sigmoidea Jaanusson, 1957)(

Synonymy list
1957     Sigmobolbina sigmoidea sp. n. — Jaanusson , pp. 392 , fig. 11:16-20
1967     Collibolbina sigmoidea (Jaanusson, 1957) — Shallreuter , pp. 442
1994     Collibolbina sigmoidea (Jaanusson, 1957) — Olempska , pp. 182 , fig. 42:4-6
Selection of related publications
Jaanusson, V. 1957. Middle Ordovician Ostracodes of Central and Southern Sweden. Bulletin of the Geological Institutions of the University of Uppsala 37, 17, 173-442.
References based on distribution