Acanthotretella

Acanthotretella is a genus of brachiopods known from the Burgess Shale[1][2] and the Guanshan fauna.[3]

Acanthotretella
Temporal range: Miaolingian – ~508 Ma
↓
Scientific classification
Kingdom: Animalia
Clade: Lophophorata
Phylum: Brachiopoda
Class: Lingulata
Order: †Siphonotretida
Genus: †Acanthotretella
Holmer & Caron, 2006
Type species
Acanthotretella spinosa
Holmer & Caron, 2006
Species
  • A. decaius
  • A. spinosa

Their spines are proposed to be homologous with those of the Siphonotretids.[2]

Species
  • Acanthotretella decaius Hu, Zhang, Holmer & Skovsted, 2010[3]
  • Acanthotretella spinosa Holmer & Caron, 2006
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References
  1. "Acanthotretella spinosa". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011.
  2. Holmer, L. E.; Caron, J. B. (2006). "A spinose stem group brachiopod with pedicle from the Middle Cambrian Burgess Shale". Acta Zoologica. 87 (4): 273. doi:10.1111/j.1463-6395.2006.00241.x.
  3. Hu, S.; Zhang, Z.; Holmer, L.E.; Skovsted, C.B. (2010). "Soft−part preservation in a linguliform brachiopod from the lower Cambrian Wulongqing Formation (Guanshan Fauna) of Yunnan, South China". Acta Palaeontologica Polonica. 55 (3): 495–505. CiteSeerX 10.1.1.729.8220. doi:10.4202/app.2009.1106.
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