Semionotus tenuis Woodward 1890 (ray-finned fish)

Actinopteri - Semionotiformes - Semionotidae

Full reference: A. S. Woodward. 1890. The fossil fishes of the Hawkesbury Series at Gosford. Memoirs of the Geological Survey of New South Wales. Palaeontology 4:1-57

Belongs to Semionotus according to A. S. Woodward 1890

Sister taxa: Palaeoniscus agassizii, Semionotus agassizii, Semionotus alatus, Semionotus australis, Semionotus bergeri, Semionotus braunii, Semionotus capensis, Semionotus elegans, Semionotus formosus, Semionotus fultus, Semionotus gibbus, Semionotus gigas, Semionotus kanabensis, Semionotus kapffi, Semionotus lenticularis, Semionotus leptocephalus, Semionotus lineatus, Semionotus marshii, Semionotus metcalfi, Semionotus micropterus, Semionotus minutus, Semionotus modestus, Semionotus nilsonni, Semionotus normanniae, Semionotus ovatus, Semionotus parvus, Semionotus robustus, Semionotus tenuiceps, Semionotus trotti

Type specimen: Its type locality is Gosford Quarry (BMNH coll), which is in a Spathian/Bithynian lacustrine shale in the Terrigal Formation of Australia

Ecology: nektonic durophage-carnivore

Distribution: found only at Gosford Quarry (BMNH coll)

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