Problematic Plumalina Putative Devonian Feather Coral Fossil

Plumalina plumaria

Phylum Cnidaria Incertae Sedis

Geological Time: Upper Devonian, Senecan Stage (~370 million years ago)

Size: Fossil is 78 mm by 23 mm; Matrix: 65 mm by 125 mm

Fossil Site: Genessee Formation, Cortland, New York

Code: AW92

Price: Sold

Devonian Feather Coral FossilDescription: This superb specimen belongs to what is most commonly termed the Problematica, or problematic animals, indicative of an unclear or controversial classification. First described in the 1850s, it is still the subject of uncertainty today. Named Plumalina plumaria in 1858 it is thought be some to be a hydrzoan (“feather coral”) and a gorgonian by others. While it is indubitably a cnidarian, perhaps to label incertae sedis would be best. I have included a couple of negative images to make the specimen easier to see.

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