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Boreocysta butticula
| butticula | |
| Wiggins, V.D. (1969) | |
| Stover, L.E. and Evitt, W.R. (1978) | |
| B_butticula, Wiggins, 1969, Micropaleontology vol.15 -- 1.jpg | |
| active | |
| 137 | |
| 125 | |
|
No synonyms
|
