Talk:Acanthomorpha

Fishes Mid‑importance

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Palaeontology Low‑importance

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getting our taxa right

The article currently starts with this disambiguation:

'"Acanthomorpha" is also a name for a proposed clade of spiny-rayed Teleostei. It unites the superorders . . .'

soon followed by this text:

'Acanthomorpha (meaning "thorn-shaped" in Greek) is an order of prehistoric fish that was described by Rosen in 1973. Fossils range from the Late Cretaceous to the Early Oligocene (99.6mya)-28.4mya).'

While the former is a logical response to the appearance of an (imaginary) extinct order Acanthomorpha, it shows why it's best not to simply cut and paste data from the Paleobiology Database. The taxon named by Rosen is one and the same as the giant clade of teleost fish. The dates listed in the PBDB are the range of ages for some fossils that were assigned to Acanthomorpha and happened to be entered into the database. They don't cover the entire stratigraphic range of the group.

Many other articles have the same problem. Tthe PBDB is a wonderful resource, but if it's the only source we're basing our edits on, it may be better to provide a link to the PBDB, but not copy its data into Wikipedia without evaluation.

Cheers, Cephal-odd (talk) 01:17, 31 August 2012 (UTC)[reply]

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