Weekly posts for Geology 250. See course notes and syllabus pages for outline, topics, requirements, and deadlines.
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You’re going to like brachiopods. They are considerably more complex than the cnidarians, are diverse in both habits and forms, and are the most common fossils in your field collections (for which you should definitely bookmark this Dry Dredger’s webpage … Continue reading
The Wikipedia page on cnidarians is an excellent place to visit first for our gelatinous friends. For systematics and descriptions, you can’t beat the Tree of Life page on Phylum Cnidaria. Check out my favorite hydrozoan, the delightfully-named Velella velella. … Continue reading
The Wikipedia page on sponges is information-rich and accurate on our porous sponge friends. If you really want to get serious about sponges, visit the dull webpage of the International Association for the Study of Fossil Cnidaria and Porifera. There … Continue reading
Since last week was short, we’ll begin this week with a discussion of taxonomic principles followed by a basic outline of paleoecology. Our goal is to define some basic terms for living environments and life modes. This framework will prove … Continue reading