Pedunculotheca
Pedunculotheca is a genus of orthothecid hyolith known from the Chengjiang biota of China, notable for its possession of a pedunculate attachment structure likened to the brachiopod pedicle.[1]
| Pedunculotheca | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Clade: | Lophophorata |
| Clade: | Brachiozoa |
| Class: | †Hyolitha |
| Order: | †Orthothecida |
| Genus: | †Pedunculotheca |
| Species: | †P. diania |
| Binomial name | |
| †Pedunculotheca diania Sun, Zhao & Zhu 2018[1] | |
On account of this pedicle and its flattened larval shell, it is reconstructed as the earliest diverging hyolith, and a model for the ancestral morphology of this lineage of stem-group brachiopods.[1]
References
- Sun, Haijing; Smith, Martin R.; Zeng, Han; Zhao, Fangchen; Li, Guoxiang; Zhu, Maoyan (2018). "Hyoliths with pedicles illuminate the origin of the brachiopod body plan". Proceedings of the Royal Society B: Biological Sciences. 285 (1887): 20181780. doi:10.1098/rspb.2018.1780. PMC 6170810. PMID 30257914.
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