Hyolithelmintida References Navigation menuThe Proterozoic Biosphere: A Multidisciplinary Studyexpanding ite
Cambrian animalsCambrian stubs
hyoliths
Hyolithelmintida Temporal range: Early Cambrian – Mid Cambrian[1] PreЄ Є O S D C P T J K Pg N | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | incertae sedis |
Order: | †Hyolithelmintida |
Hyolithohelminths are phosphatic tubular fossils from the Cambrian period. They were sedentary, possibly infanual, organisms; once thought to have opercular (hence the comparison with hyoliths), these structures are now understood to be unrelated shells.[1]
References
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