Hyolithida
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Extinct order of molluscs
| Hyolithida | |
|---|---|
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Class: | †Hyolitha |
| Order: | †Hyolithida Sussoiev, 1957 |
| Families | |
|
See text | |
The Hyolithida are lophophorates, one of the two orders of hyolithid, the other being the Orthothecida. Most of our knowledge of the hyolithids comes from studies on the Hyolithida.[2] Both orders had an operculum that was not hinged to the conch. However, the Hyolithida are distinct from the Orthothecida in having additional paired, curved, tusk-like appendages. The Hyolithida were probably bottom feeders living in shallow water, and had tentacules.[2]
References
[edit ]- ^ Malinky, J. M. (2009). "Permian Hyolithida from Australia: The Last of the Hyoliths?". Journal of Paleontology. 83 (1): 147–152. Bibcode:2009JPal...83..147M. doi:10.1666/08-094R.1.
- ^ a b Marek, Ladislav; Yochelson, Ellis L. (1976). "Aspects of the biology of Hyolitha (Mollusca)". Lethaia. 9 (1): 65–82. Bibcode:1976Letha...9...65M. doi:10.1111/j.1502-3931.1976.tb00952.x.
Further reading
[edit ]- Malinky, John M. (1989). "New Early Paleozoic Hyolithida and Orthothecida (Hyolitha) from North America". Journal of Paleontology. 63 (3): 302–319. Bibcode:1989JPal...63..302M. doi:10.1017/S0022336000019454. JSTOR 1305500. S2CID 132877043.
- Marek, Ladislav (1976). "On the ontogeny in Hyolithida". Časopis pro mineralogii a geologii. 21 (3): 277–283.
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