Exact(4)
When they do appear, diagnostic words are not generally coincident with the corresponding formal classifications.
We have to have at least some formal classifications to impose to help us deal with big data, but science doesn't like to fund that sort of work nearly as much as it does the creation of new (you guessed it) papers.
For this reason, groups such as the "Class Pisces" seen in older reference works are no longer used in formal classifications.
'Holostei' is, however, a term that has fallen into disuse in formal classifications.
Similar(56)
Virtually no one disputes S.&P.'s formal classification of Apple, Google and Microsoft as "information technology" companies.
This unrelated, or paraphyletic, nature of the protozoans has caused scientists to abandon the term protozoan in formal classification schemes.
They do not belong to a formal classification group, because they are associated by the absence of a characteristic.
And so the French established a formal classification system that would be applied to all wineries — a hierarchy that remains, virtually unchanged, to this day.
As a result of such complicated taxonomic appraisal, the formal classification of Carnivora is in some ways an artificial system set up for the sake of convenience.
It also outlined proposals for a formal classification of exchange-traded products so that only some instruments can be called ETFs.
Despite the change in formal classification (and the decades of confusion about its size), the appeal of pairing the moniker Brontosaurus with the sauropod form did not fade easily.
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