Peltopleurids are also neat for having one of the earliest gonopodium examples in a ray-finned fish. This is a modified anal fin in an inferred male individual, by Lombardo (1999).
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A 430 million-year-old coral, Halysites, which resembles a tiny chain. A tabulate coral from the Silurian Much Wenlock Limestone Formation, possibly from Wren's Nest, in tropical Dudley 🏖 #FossilFriday ⚒🌏🔬🧪🌊
Still accruing new comments at the new Tetrapod Zoology article on hyloid #frogs, the most active point of discussion being on whether the taxonomy of amphibians (and non-bird reptiles) is sensible when compared to that of birds and mammals... or vice versa! tetzoo.com/blog/2026/10...
