News tagged with placoderms

Fossilised pregnant fish was one of the first animals to have sex

Biology /

Feb 25, 2009 | 4.9 / 5 (14) | 3

(PhysOrg.com) -- A pregnant fossil fish at the Natural History Museum in London has shed light on the possible origin of sex, according to a study published in Nature today by an international team includ ...

Swedish researcher finds missing piece of fossil puzzle

Other Sciences / Archaeology & Fossils

Jul 13, 2009 | 5 / 5 (1) | 2

The mode of reproduction seen in modern sharks is nearly 400 million years old. That is the conclusion drawn by Professor Per Erik Ahlberg, Uppsala University, from his discovery of a so-called "clasper" in a primitive fossil ...

Fossil fish shows oldest live birth

Biology /

Feb 25, 2009 | 4.2 / 5 (6) | 0

(PhysOrg.com) -- A 380-million-year-old fossil fish that shows an unborn embryo and umbilical cord has been discovered, scientists report in the journal Nature.

Aussie scientists discover oldest proof of live birth

Other Sciences / Archaeology & Fossils

May 28, 2008 | 4.8 / 5 (25) | 6

Australian scientists have discovered the oldest evidence of live birth on the planet, thanks to a fossil fish from Western Australia with a well-preserved embryo inside the body cavity.

Fresh fossil evidence of eye forerunner uncovered

Other Sciences / Archaeology & Fossils

Dec 12, 2007 | 4.1 / 5 (7) | 0

Ancient armoured fish fossils from Australia present some of the first definite fossil evidence of a forerunner to the human eye, a scientist from The Australian National University says.

Fossilized tissue found in ancient fish

Other Sciences / Archaeology & Fossils

Feb 14, 2007 | 4.2 / 5 (6) | 0

Australian scientists say fossilized muscle has been discovered in the remains of two fish that lived about 380 million years ago.

Ancient predator had strongest bite of any fish, rivaling bite of large alligators and T. rex

Biology /

Nov 28, 2006 | 4.6 / 5 (114) | 0

It could bite a shark in two. It might have been the first “king of the beasts.” And it could teach scientists a lot about humans, because it is in the sister group of all jawed vertebrates.

I there but caught a glimpse... of a 410 million-year-old eye or two

Other Sciences / Archaeology & Fossils

Sep 06, 2006 | 4 / 5 (20) | 0

A University of Queensland researcher has uncovered the oldest known fossilised eye capsules from jawed fishes.

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