Conchostracans or clam shrimps are a family of bivalved branchiopodcrustacea bearing passing resemblance but no relation to bivalved molluscs.[1] They are extant, and known from the fossil record, from at least the Devonian period and perhaps before.[2]
References
^ Webb, J. (1979). "A reappraisal of the palaeoecology of conchostracans (Crustacea: Branchiopoda)" 158 (2): 259-275.
^ Woolfe, K.J. (1990). "Trace fossils as paleoenvironmental indicators in the Taylor Group (Devonian) of Antarctica". Palaeogeography, Palaeoclimatology, Palaeoecology80: 301-310.
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