Cephalodiscus calciformis explained

Cephalodiscus calciformis is a sessile hemichordate belonging to the order Cephalodiscida.[1] It is the only pterobranch species with funnel-shaped tubaria.[2]

Notes and References

  1. Swalla, B.J. . van der Land, J. . 2020 . Cephalodiscus calciformis . 266744 . September 17, 2020 . Hemichordata World Database.
  2. Book: Maletz, Jörg. Graptolite Paleobiology. 2017. Wiley-Blackwell. 9781118515617.

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