| 词条 | Tichkaella |
| 释义 |
| fossil_range = Mid Cambrian | taxon = Tichkaella | authority = | subdivision_ranks = Species | subdivision = }}Tichkaella is a genus of helcionellid from the Middle Cambrian. It has a strongly spiralled, smooth shell with concentric ridges that have low relief. Other than its looser coiling, it is very similar to Protowenella.[1] References1. ^{{Peel 1991}} {{Taxonbar|from=Q7800597}} 3 : Cambrian molluscs|Paleozoic life of British Columbia|Fossils of Morocco |
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