Tellidorella (type species: T. cristulata) is a small eastern Pacific bivalve presently classified in the Cardiniidae, a family otherwise known as fossils from the Paleozoic and early Mesozoic. Evidence from shell characters including external sculpture, hinge teeth, and adductor muscle scars suggests a more appropriate placement in the subfamily Myrteinae of Lucinidae. This is the first record...

The Sheep Creek camp straddles the eastern boundary o' the Kootenay arc. This arcuate belt of deformed and meta morphosed rocks has had a complex history of Mesozoic ant1 Paleocene compressional and transpressional defo!nnatiol~ overprinted by Eocene extensional tectonics. The rocks an: believed to represent both a distal continental margin and part of a late Paleozoic to early Mesozoic back-ar...

Background: The thermal regime of the Upper Rhine Graben (URG) is characterized by a series of anomalies near Soultz-sous-Forêts (France), Rittershoffen (France), and Landau (Germany). These temperature anomalies are associated with groundwater circulation in fractures and faults distributed in the Cenozoic and Mesozoic sedimentary cover associated with and connected to fractures originating de...

Early Paleozoic bottom waters were mainly ferruginous, like the Neoproterozoic, with a shift to increased euxinia in Devonian.