Ancyrochitina valentini
- Citations total:
- 3
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| original | Ludlovian | Spain | Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. | 1964 | |
| original | Tremadocian | Ludlovian | Spain | Cramer,F.H. Microplankton from three Palaeozoic formations in the Province of Leon, northwest Spain. | 1964 |
| details | Ludlovian | Spain | Locquin,M.V. Thie Chitinomycetes of chitinozoa Paleozoic fossils | 1976 |