Acanthodii


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Acanthodii

an order of placoderm fossil fish, whose members bear spines along the anterior margin of the fins.
References in periodicals archive ?
The little fish, measuring just over 11 centimetres in length, belongs to an extinct group called the Acanthodii (colloquially, the "spiny sharks").
The discovery of this new species, which we call Machaeracanthus goujeti and belongs to the Acanthodii group -of which very little is known-, expands our knowledge of the biodiversity that existed on the peninsula 480 million years ago, when the modern-day region of Teruel was covered by the sea," Hector Botella, professor in the palaeontology unit in the University of Valencia and the study's lead author, explained to SINC.