Trilobites achieved their maximum genetic diversity in the Cambrian. However, unlike this diversity measure, the morphological disparity of trilobites based on cranidial outline reached the peak in the Middle to Late Ordovician.
Archaeology
Nov 19, 2020
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521
An exquisitely well preserved 429-million-year-old eye from a marine creature that went extinct before dinosaurs even existed had vision comparable to modern-day bees and dragonflies, researchers said Thursday.
Archaeology
Aug 13, 2020
1
3557
Ever felt like you've been queuing forever?
Paleontology & Fossils
Oct 17, 2019
0
9574
Fossils of a giant new species from the long-extinct group of sea creatures called trilobites have been found on Kangaroo Island, South Australia.
Paleontology & Fossils
Jun 13, 2019
0
633
The first appearance of trilobites in the fossil record dates to 521 million years ago in the oceans of the Cambrian Period, when the continents were still inhospitable to most life forms. Few groups of animals adapted as ...
Archaeology
Jan 10, 2019
0
186
Exceptionally preserved trilobite fossils from China, dating back to more than 500 million years ago, have revealed new insights into the extinct marine animal's digestive system. Published today in the journal PLOS ONE, ...
Archaeology
Sep 21, 2017
0
164
For the past two years, Western Illinois University Assistant Professor of Geology Thomas Hegna has been part of a three-member team conducting research on what are believed to be the first-ever discovered trilobite eggs ...
Archaeology
Jan 25, 2017
0
898
South Australian Museum and University of Adelaide scientists working on fossils from Kangaroo Island, South Australia, have found eyes belonging to a giant 500 million-year-old marine predator that sat at the top of the ...
Archaeology
Dec 7, 2011
4
0
Few specimens inspire greater thrills among fossil collectors than a complete trilobite. These ancient arthropods – relatives of lobsters, spiders and insects – went extinct more than 250 million years ago, but ...
Paleontology & Fossils
Mar 16, 2011
0
0
(PhysOrg.com) -- A Cambrian sea creature, Anomalocaris Canadensis, had long been thought to be a fearsome predator of trilobites, equipped as it was with barbed feelers and an armor-plated mouth, but new research suggests ...
