Saturday, July 24, 2010


Triceratops adult and baby
length 40cm (adult)
scale 1/20

 The main references

Goodwin, M. B., Clemens, W. A., Horner, J. R., and Padian, K. (2006). "The smallest known Triceratops skull: new observations on ceratopsid cranial anatomy and ontogeny." .
Journal of Vertebrate Paleontology 26 (1): 103. 
Horner JR, Goodwin MB."Major cranial changes during Triceratops ontogeny."Proc Biol Sci. 2006 Nov 7;273(1602):2757-61.

Fujiwara, S.-I. (2009). "A Reevaluation of the manus structure in Triceratops (Ceratopsia: Ceratopsidae)." Journal of Vertebrate Paleontology, 29(4): 1136-1147.
Hieronymus TL, Witmer LM, Tanke DH, Currie PJ.(2009)."The facial integument of centrosaurine ceratopsids: morphological and histological correlates of novel skin structures."
 The Anatomical record    2009, vol. 292, no9, pp. 1370-1396