#brachyopterus

[blaiddydsaurus]

Some ordovician fellas

[extinctworld-ua]

Brachyopterus

Brachyopterus — рід евриптерид з родини Rhenopteridae. Це один з найдавніших відомих родів евриптерид, що був знайдений у відкладеннях середнього ордовика в Монтгомеріширі, Уельс. Хоча в минулому до нього відносили й інші види, сьогодні визнано, що Brachyopterus містить один дійсний вид — B. stubblefieldi.

Повний текст на сайті "Вимерлий світ":

https://extinctworld.in.ua/brachyopterus/

[alphynix]

Some more recent work I’ve done for PBS Eons!

The eurypterids Hibbertopterus and Brachyopterus, from “When Giant Scorpions Swarmed the Seas” https://www.youtube.com/watch?v=1sQXTXbuLYo

The short-faced bears Plionarctos and Arctotherium, from “The Mystery Behind the Biggest Bears of All Time” https://www.youtube.com/watch?v=KtsOhmBb92E

The big cats Panthera blytheae and Panthera atrox, from “The Ghostly Origins of the Big Cats” https://www.youtube.com/watch?v=oPJnqWke5n8

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[palaeopedia]

The armed wing, Brachyopterus (1951)

Phylum : Arthropoda Class : Merostomata Order : Eurypterida Superfamily : Rhenopteroidea Family : Rhenopteridae Genus : Brachyopterus Species : B. stubblefieldi

Middle Ordovician (460 Ma)

8 cm long (size)

England (map)

Brachyopterus is the oldest known eurypterid, known from marine strata of early Late Ordovician age. Like many stylonurines it was probably a scavenger. An important taxon, for many years its exact position within the Stylonurina was uncertain but it is now considered to be an early member of the Rhenopteridae, a family that includes the bizarre german forms Alkenopterus and Rhenopterus. Only a single Brachyopterus specimen is known, held in the collections of the British Geological Survey, however the specimen broke in transport during the 1950s and was encased in yellow plastic to preserve it. Unfortunately the plastic is rather opaque, making further study of the specimen all but impossible.