Geobulletin alpha

News from the Geoblogosphere

by Stratigraphy.net

New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

Monday, 08 December 2025

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How to work out the lifestyles of extinct animals

Earth Learning Idea [17:19:00]

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Our ELI today is 'Curious creatures; using fossil and modern evidence to work out the lifestyles of extinct animals'.This activity provides a snapshot of the history of life on Earth.Related activities can be found in our 'Evolution of Life' category - fossils (mostly

HOLCOPHYLLOCERAS: A JEWEL OF JURASSIC SEAS

ARCHEA [17:00:00]

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What is most wonderful about natural science is that every fossil—every spiral, ridge, and suture—opens a window onto a vanished world. Take, for instance, this tremendously robust, intricately sutured ammonite: Holcophylloceras mediterraneum (Neumayr, 1871). Collected from Late Jurassic (Oxfordian) deposits near Sokoja, Madagascar, it is a marvel of paleontological sculpture, a testament

Lake Temescal

Oakland Geology [16:55:24]

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I’ve written before about the rocks around Lake Temescal, but not about the lake — the reservoir — itself. It was the East Bay’s first meaningful impoundment of drinking water, and in a way an early [...]

DinoCómics (XIX): Godae Donmulgi

Koprolitos [09:57:00]

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Primer episodio de Godae Donmulgi (22 de febrero de 2025)Hace ya unos años de la última entrega de esta serie en la que tratamos de los cómics protagonizados por dinosaurios, sin la innecesaria presencia [...]

The fossil record of early cetaceans from New Zealand, 1: introduction, archaeocetes, and toothed mysticetes

The Coastal Paleontologist [12:00:00]

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This is part 1 of the fossil record of early cetaceans of New Zealand, with an introduction to the stratigraphy and geology, and the archaeocetes and toothed mysticetes from NZ. For toothless baleen whales, [...]

Ordovician Cephalopod Fossil

Louisville Area Fossils [05:55:00]

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Above is a picture of an unidentified cephalopod fossil. This animal existed in the Ordovician Period. It was found in the Clays Ferry Formation of Robertson County, Kentucky USA. Thanks to Kenny for the [...]