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Posts treating: "brachiopod fossil.Kozlowskiellina perlamellosa"
Monday, 27 July 2015
Views of the Mahantango [2015-07-27 09:01:00]
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(181 visits) Devonian,Silurian; DE,US
This next fossil is one that always gives me trouble when naming it. Some refer to it as Kozlowskiellina and some as Delthyris. Both are very similar shells and appear to be valid names. The former seems to be confined to the Silurian and lower Devonian while the latter ranges from the Silurian up into the lower Mississippian (based on what I read on the Fossilworks.org website). The best reference found that lists the fauna of the Kalkberg formation (L.V. Rickard and D.H. Zenger. 1964. [...]
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