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Rhenanida ("Rhine fish") were flattened, ray-like, bottom-dwelling predators with large, upturned mouths that lived in marine environments. The rhenanids were once presumed to be the most primitive, or at least the closest to the ancestral placoderm, as their armour was made of unfused components—a mosaic of tubercles—as opposed to the ...
Hyneria was a large fish.H. lindae is estimated around 2.5–3 metres (8.2–9.8 ft) in total length. [3] [4] An isolated cleithrum AM 6545 likely belongs to an individual of at least 2.7 metres (8.9 ft) in length. [2]
Dunkleosteus is an extinct genus of large arthrodire ("jointed-neck") fish that existed during the Late Devonian period, about 382–358 million years ago.It was a pelagic fish inhabiting open waters, and one of the first vertebrate apex predators of any ecosystem.
Eugnathides is an extinct genus of prehistoric bony fish that lived from the Oxfordian to the early Tithonian stage of the Late Jurassic epoch. [1] Eugnathides may have been similar to Sphaerodontes (from the Late Jurassic of Cuba ).
"D."vectensis, a former species from the Isle of Wight. Diplomystus was formerly used as a wastebasket taxon for many different species of fossil clupeomorphs. [8]A trio of Early Cretaceous (late Valanginian to early Barremian-aged) [9] freshwater species that inhabited lakes in what is now Japan and Korea ('D.' altiformis Yabumoto, 1994, 'D.' kokuraensis Uyeno, 1979, and 'D.' primotinus Uyeno ...
Cretatriacanthus is an extinct genus of prehistoric marine ray-finned fish from the Late Cretaceous.It contains a single species, C. guidottii from the late Campanian or early Maastrichtian of Nardò, Italy. [2]
One of the coolest, most prehistoric-looking fish lives in Florida’s offshore waters of the Gulf of Mexico. It happens to be one of the best to eat but also one of the most elusive.
Palaeospondylus ("early vertebrae") is a prehistoric fish, a fossil vertebrate. Its fossils are described from the Achanarras slate quarry in Caithness, Scotland. The fossil as preserved is carbonized, and indicates an eel-shaped animal up to 6 centimetres (2 in) in length. The skull, which must have consisted of hardened cartilage, exhibits ...