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Tannuella

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Extinct genus of molluscs

Tannuella
Temporal range: Early Cambrian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: †Helcionelloida
Order: †Helcionelliformes
Family: †Helcionellidae
Genus: †Tannuella

Tannuella is a genus of helcionellids known from Lower Cambrian strata.

It has a high, septate shell similar to that of Knightoconus . These genera were once considered ancestral cephalopods, but are more broadly assigned to the helcionellids (or putatively the tergomyans); i.e. "Cambrian monoplacophora".

References

  1. Kröger, B. R.; Vinther, J.; Fuchs, D. (2011). "Cephalopod origin and evolution: A congruent picture emerging from fossils, development and molecules". BioEssays. 33 (8): 602–613. doi:10.1002/bies.201100001. PMID 21681989.
  2. Brock, G. A. (2004). "A New species of Tannuella (Helcionellida, Mollusca) from the Early Cambrian of South Australia". Association of Australasian Palaeontologists Memoirs. 30: 133–143. hdl:1959.14/41429. ISSN 0810-8889.
Taxon identifiers
Tannuella


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