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 diplacanthid fishes (Acanthodii, Diplacanthiformes, Diplacanthidae) from the Middle Devonian of Scotland.
scheii Spjeldnaes (Acanthodii, Ischnacanthiformes) from the latest Silurian or earliest Devonian of Ellesmere Island, arctic Canada.
The little fish, measuring just over 11 centimetres in length, belongs to an extinct group called the Acanthodii (colloquially, the "spiny sharks").
In their study, a research team led by the University of Valencia describes a new species of spiny shark (Acanthodii), a primitive type of fish that shared characteristics with sharks and bony fish.
Elasmobranchii (Acanthodii), Holocephali, Ichthyodorulites, Ostracodermi, Dipnoi, and Teleostomi (Crossopterygii and Chondrostean Actinopterygii).
The diplacanthid fishes (Acanthodii, Diplacanthi-formes, Diplacanthidae) from the Middle Devonian of Scotland.