Croneisigenys beckeri
- Citations total:
- 2
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| details | Late Ludlovian | Canada(Arctic) | Jansonius,J. et al. Scolecodonts 1. Descriptive terminology and revision of systematic nomenclature; 2.Lectotypes, new names for homonyms, Index of species. | 1971 | |
| details | Nd | Nd | Szaniawski,H. Scolecodonts. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) | 1996 |