Dawsonia campanulata

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Genus : Dawsonia (nomen praeoccupatum
Species : D. campanulata 
Dawsonia campanulata 
Nicholson, 1873  
Palaeontologia
444–420 m.a.Silurium

Dawsonia campanulata fuit animal parietes organicas habens ex Aevo Palaeozoico adfinitatis ignotae.[1][2]

Notae[recensere | fontem recensere]

  1. Alex Page (2008). "Ubiquitous Burgess Shale–style “clay templates” in low-grade metamorphic mudrocks". Geology 36: 855. 
  2. Alex Page, Philip R. Wilby, Claire J. T. Mellish, Mark Williams & Jan A. Zalasiewicz (2008). "Dawsonia Nicholson: linguliform brachiopods, crustacean tail-pieces and a problematicum rather than graptolite ovarian vesicles". Transactions of the Royal Society of Edinburgh 99: 251–266 .