Introduction to the Placodermi - University of California Museum …
Introduction to the Placodermi. Extinct armored fishes with jaws. Click on either picture to view an enlargement! The extinct armored fishes known as placoderms make up what is considered to …
Placoderms, Pre-Historic Life, Biology, SUNY Orange
Placoderms. GNATHOSTOMES (JAWED VERTEBRATES) One of the most important changes in vertebrate history was the evolution of jaws.
GEOL431 - Vertebrate Paleobiology - UMD
Placodermi: (Silurian - Devonian) Lovely and entertaining armored gnathostomes and poster-children for the Devonian. Experienced a rapid worldwide diversification at the beginning of the …
GEOL 331 Principles of Paleontology - UMD
Placodermi: Silurian to Devonian armored gnathostomes experienced a rapid worldwide diversification and sudden decline. Identifying features : Distinct cranial and thoracic armor …
an aspimothoracid arthrodire (Placodermi) from the Famennian of northern Ohio. with a review of brachythoracid systematics ROBERT K . CARR Museum of PaleontoloD. The University of …
GEOL 331/BSCI 333 Principles of Paleontology - UMD
Placodermi: Silurian to Devonian armored gnathostomes experienced a rapid worldwide diversification and sudden decline. Identifying features: Distinct cranial and thoracic armor with …
Systematics of the Vertebrates - University of California Museum …
The remaining groups (Placodermi around to Sarcopterygii) are the Gnathostomata (Greek for "jaw-mouths"), what most people would call "fish". They include sharks, guppies, and lungfish …
James Boyle - Department of Earth Sciences - University at Buffalo
New information on Titanichthys (Placodermi:Arthrodira) from the Cleveland Shale (Upper Devonian) of Ohio, USA. Journal of Paleontology. 91:318-336. Boyle, J.T. 2017. Minimum …
The phyllolepid placoderm Cowralepis mclachlani - Academia.edu
The Placodermi are a group of extinct jawed vertebrates and are currently resolved as outgroup (sister taxon) to the chondrichthyans and teleostomes (Fig. 1A). As such, placoderms are …
B140: Fishes - abacus.bates.edu
Class Placodermi: An extinct group in which jaws first evolved. Paired fins also evolved in this group and are retained in all further vertebrate classes. Many placoderms were predators from …