The Paleobiology Database

Basic info	Taxonomic history	Classification	Relationships
Morphology	Ecology and taphonomy	Map	Age range and collections

Acanthothoraciformes

Taxonomy

Acanthothoraciformes is an order.

It was assigned to Placodermi by Long (2011).

Subtaxa

Sister taxa

Synonyms

Acanthothoraci was named by Stensiö (1944). It is not extant.

It was synonymized subjectively with Acanthothoraciformes by Long (2011).

It was assigned to Placodermi by Dineley and Metcalf (1999) and Sepkoski (2002).

Synonymy list

Year	Name and author
1944	Acanthothoraci Stensiö
1999	Acanthothoraci Dineley and Metcalf p. 11
2002	Acanthothoraci Sepkoski, Jr.
2011	Acanthothoraciformes Long p. 242

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