Ceolodiscus is a genus in the gastropod family Euomphalidae from the Lower and Middle Jurassic of Europe. The shell is small but stocky; involute or with a slightly protruding spire. Whorls are generally smooth, evenly rounded and slightly overlapping; umbilicus deep, aperture ovate. Is the oldest known holoplanktonic gastropod, thanks to a bilateral symmetrical shells as an adaption to active swimming. Also the most common of the sea snails of the Posidonienschiefer Formation, it is also one of the most varied in size terms, with some of the biggest specimens of snail from the Lower Toarcian know. It has been related to large floating driftwood as one of the primary settlers.
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| - Coelodiscus (en)
- 穴盘木属 (zh)
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| - Ceolodiscus is a genus in the gastropod family Euomphalidae from the Lower and Middle Jurassic of Europe. The shell is small but stocky; involute or with a slightly protruding spire. Whorls are generally smooth, evenly rounded and slightly overlapping; umbilicus deep, aperture ovate. Is the oldest known holoplanktonic gastropod, thanks to a bilateral symmetrical shells as an adaption to active swimming. Also the most common of the sea snails of the Posidonienschiefer Formation, it is also one of the most varied in size terms, with some of the biggest specimens of snail from the Lower Toarcian know. It has been related to large floating driftwood as one of the primary settlers. (en)
- 穴盘木属(学名:Coelodiscus)是大戟科下的一个属,为灌木或小乔木植物。该属共有5种,分布于印度、马来西亚。 (zh)
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| - *Coelodiscus minutus
*Coelodiscus biumbilicatus (en)
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| - Ceolodiscus is a genus in the gastropod family Euomphalidae from the Lower and Middle Jurassic of Europe. The shell is small but stocky; involute or with a slightly protruding spire. Whorls are generally smooth, evenly rounded and slightly overlapping; umbilicus deep, aperture ovate. Is the oldest known holoplanktonic gastropod, thanks to a bilateral symmetrical shells as an adaption to active swimming. Also the most common of the sea snails of the Posidonienschiefer Formation, it is also one of the most varied in size terms, with some of the biggest specimens of snail from the Lower Toarcian know. It has been related to large floating driftwood as one of the primary settlers. (en)
- 穴盘木属(学名:Coelodiscus)是大戟科下的一个属,为灌木或小乔木植物。该属共有5种,分布于印度、马来西亚。 (zh)
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