Английская Википедия:Hyolithelmintida

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Шаблон:Short description Шаблон:Automatic taxobox

Hyolithohelminths are phosphatic tubular fossils from the Cambrian period. They were sedentary, possibly infaunal, organisms; once thought to have opercula (hence the comparison with hyoliths), these structures are now understood to be unrelated shells.[1]

References

Шаблон:Reflist

Шаблон:Taxonbar


Шаблон:Cambrian-stub