Acanthotretella

Acanthotretella; Temporal range: Miaolingian – ~508 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Brachiopoda
Class:	Lingulata
Order:	†Siphonotretida
Genus:	†Acanthotretella; Holmer & Caron, 2006
Type species
	; Holmer & Caron, 2006
Species
	; ;

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

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

Species[]

^ "Acanthotretella spinosa". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011.
^ ^a ^b 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.
^ ^a ^b 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. S2CID 59439966.