Tag: mollusks
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Fossil Friday #187: Mazon Creek Chiton
This is the “Fossil Friday” post #187. Expect this to be a somewhat regular feature of the website. We will post any fossil pictures you send in to esconi.info@gmail.com. Please include a short description or story. Check the #FossilFriday Twitter hash tag for contributions from around the world! For this week’s Fossil Friday, we have…
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Long-Standing Question Answered – How Mass Extinction Paved the Way for Oysters and Clams
SciTechDaily has a piece about the rise of the mollusks over the brachiopods after the Permian Mass Extinction. Scientists have long wondered why bivalve species like clams and oysters replaced the brachiopods about 250 million years ago. During the Paleozoic, brachiopods dominated the sea floor, but they are now just a small part of the…
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Mazon Monday #175: Glaphurochiton concinnus
This is Mazon Monday post #175. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Chitons are rare in the Mazon Creek biota. They are Mollusks, belonging to the same Phylum as oysters, clams, cephalopods, snails, and gastropods. Classified as polyplacophorans, they always have eight ornamented segments or valves. Glaphurochiton concinnus was one of…
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PBS Eons: Nautiloids Thrived For 500 Million Years Until These Guys Showed Up
PBS Eons has a new episode. Nautiloids were once much more common, then something happened to threaten their existence. Around 30 million years ago, a new group of predators began to push nautiloids from their former global range into a single remaining refuge. But who were these predators?
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Fossil Friday #152: Dunbarella striata
This is the “Fossil Friday” post #152. Expect this to be a somewhat regular feature of the website. We will post any fossil pictures you send in to esconi.info@gmail.com. Please include a short description or story. Check the #FossilFriday Twitter hash tag for contributions from around the world! —————————————————– We have an Mazon Creek Dunbarella…
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Mazon Monday #25: Mazonomya mazonensis
This is Mazon Monday post #25. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. The species spotlight falls on Mazonomya mazonensis, known mistakenly as Edmondia for a long time. It was also called affectionately clam-clam. Here is the text from the Mazon Creek Fossil Fauna by Jack Wittry. Mazonomya mazonensis Bailey, 2011 Found…
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November 2016 Paleo Meeting – Ozarkian mollusks from eastern Missouri
The November program for the Paleo Study Group will be presented by ESCONI member Chris Cozart and is entitled; Ozarkian mollusks from eastern Missouri.
