|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Pteraspidomorphi (jawless fish)
It was reranked as the subclass Pteraspidomorphi by Dineley and Metcalf (1999).
It was assigned to Agnatha by Dineley and Metcalf (1999); to Chordata by Sepkoski (2002); to Vertebrata by Young (1997), Kiessling (2004) and Young (2009); and to Craniata by Long (2011).
|Year||Name and author|
|1977||Diplorhina Ritchie and Gilbert-Tomlinson p. 367|
|1997||Pteraspidomorphi Young p. 4|
|1999||Pteraspidomorphi Dineley and Metcalf p. 11|
|2002||Pteraspidomorphi Sepkoski, Jr.|
|2009||Pteraspidomorphi Young p. 80|
|2011||Pteraspidomorphi Long p. 241|
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.