These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

(Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of ...

The placoderms were a diverse group of ancient armoured fishes and it’s widely believed that they are ancestral to virtually all vertebrates alive today, including humans. Placoderms dominated aquatic ...

Remains of embryos entombed in their fish mothers' wombs for 380 million years have been found in fossils from an ancient rock outcrop in Western Australia. The finding is a big deal because it ...

Almost all gnathostomes or jawed vertebrates (including osteichthyans, chondrichthyans, ‘acanthodians’ and most placoderms) possess paired pectoral and pelvic fins. To date, it has generally been ...

A recent analysis of placoderm fossils — an early jawed vertebrate — shows that the animal kingdom’s first genital organ was a “clasper” that evolved from an extra set of legs, and that the first ...

Measuring just 12 inches in length, the Qilinyu Rostrata, which lived more than 400 million years ago, was no apex predator. Belonging to the now-extinct armored fish group called placoderms, it was ...

Kate Trinajstic receives funding from ARC Discovery Project I am a research associate at the WA Museum John Long receives funding from the Australian Research Council In the limestone ranges of ...

Researchers in Australia have uncovered the oldest record of live birth — viviparity — in any vertebrate (see page 650). The discovery of embryos in fossils of placoderms (ancient, armoured, jawed ...

Benedict King receives funding from the Australian Research Council. John Long receives funding from The Australian Research Council Mike Lee receives funding from the Australian Research Council ...