கேள்வி: கல்லிபார்மஸ் - உசாத்துணை பற்றி தகவல் சொல்.
பதில்: மேலும் படிக்க * Agnolin, Federico L.; Novas, Fernando E. & Lio, Gabriel (2006): Neornithine bird coracoid from the Upper Cretaceous of Patagonia. ''Ameghiniana'' 43(1): 245–248. [http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142006000100019&lng=es&nrm=iso&tlng=en HTML fulltext] * Clarke, Julia A. (2004): Morphology, Phylogenetic Taxonomy, and Systematics of ''Ichthyornis'' and ''Apatornis'' (Avialae: Ornithurae). ''Bulletin of the American Museum of Natural History'' 286: 1–179 [http://digitallibrary.amnh.org/dspace/bitstream/2246/454/1/B286.pdf PDF fulltext] * Crowe, Timothy M.; Bloomer, Paulette; Randi, Ettore; Lucchini, Vittorio; Kimball, Rebecca T.; Braun, Edward L. & Groth, Jeffrey G. (2006a): Supra-generic cladistics of landfowl (Order Galliformes). ''Acta Zoologica Sinica'' 52(Supplement): 358–361. [http://people.biology.ufl.edu/ebraun/Papers/CBRLKBG06.pdf PDF fulltext]