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Temporal range: Tommotian
Tommotia admiranda.JPG
Tommotia admiranda
Scientific classification
Kingdom: Animalia
Phylum: incertae sedis (possibly stem-Brachiopoda)
Class: incertae sedis
Order: Mitrosagophora
Genus: Tommotia

Tommotia is a small shelly fossil from the Early Cambrian Period. Originally, only a cone-shaped shell was recognized, which was originally thought to be an early cephalopod, with either squid-like tentacles or a snail-like foot. More recent investigation has shown that the cone is not the remains of a complete animal, but a sclerite of a larger, soft-bodied animal that would have resembled a chiton or a sea mouse. The fossils called Camanella may be another type of sclerite from the same animal.[1]


  1. ^ Begtson, Stefan (1970). "The Lower Cambrian fossil Tommotia". Lethaia. 3 (4): 363–392. doi:10.1111/j.1502-3931.1970.tb00829.x. 
Tommotia erroneously reconstructed as a cephalopod

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