| 词条 | Turcutheca |
| 释义 |
| taxon = Turcutheca | fossil_range = {{Fossil range|Early Cambrian|ref = [1]}} }}Turcutheca is a Tommotian (Early Cambrian) genus of shelly fossil whose affinities are uncertain, generally considered as an orthothecid hyolith[1] (which would make it a brachiopod,[2] but also resembling the ellesmeroceratids (early cephalopods).[3] References1. ^e.g. Brasier, M. D. (1986). The succession of small shelly fossils (especially conoidal microfossils) from English Precambrian–Cambrian boundary beds. Geological Magazine, 123(3), 237–256. doi:10.1017/S0016756800034737 {{Fossil cephalopods}}{{Taxonbar|from=Q7854811}}{{paleo-mollusc-stub}}2. ^{{cite journal |date= 2017 |title= Hyoliths are Palaeozoic lophophorates |journal= Nature |volume=541 |issue= 7637 |pages= 394–397 |doi = 10.1038/nature20804|pmid = 28077871 |last1 = Moysiuk |first1 = Joseph |last2 = Smith |first2 = Martin R|last3 = Caron |first3 = Jean-Bernard |bibcode = 2017Natur.541..394M}} 3. ^1 {{cite journal | url = http://www.bioone.org/doi/abs/10.4002/040.052.0107 | doi = 10.4002/040.052.0107| author = Dzik | first = J. | pages = 97–113 | issue = 1 | title = Brachiopod Identity of the Alleged Monoplacophoran Ancestors of Cephalopods | journal = Malacologia | volume = 52 | year = 2010}} 2 : Cambrian animals of Europe|Cambrian molluscs |
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