Cambrian

(redirected from Cambrian fauna)
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Related to Cambrian fauna: Cambrian Mountains
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Synonyms for Cambrian

from 544 million to about 500 million years ago

a native or resident of Wales

of or relating to or characteristic of Wales or its people or their language

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References in periodicals archive ?
The Cambrian fauna of the Leny Limestone, Perthshire, Scotland.
III, Cambrian faunas of South Chosen with a special study on the Cambrian trilobite genera and families.
Each also appears to have a distinct ecological style: the Cambrian Fauna with generalized detritus- and suspension-feeders and low levels of alpha and beta diversity; the Paleozoic Fauna with complexly tiered epifaunal suspension-feeders and intermediate alpha and beta diversities; and the Modern Fauna with abundant shell-crushing predators and infaunal suspension- and deposit-feeders and highest diversities (Vermeij 1987, Sepkoski 1991a, Bambach 1993) [ILLUSTRATION FOR FIGURE 2 OMITTED].
This suggests to Collins that Cambrian fauna had been evolutionarily stable for some time--which may imply that early evolution occurred either faster or even earlier than paleontologists commonly suppose.
Vendian faunas are related to Cambrian faunas on wholly theoretical grounds, which may strike readers as the sort of "just-so story" maligned in older works.