WebAbstract The Primitive Antiarch Yunnanolepis from China: A Microtomographic Study Jessica Grahn PlacodermsappearedintheSilurianperiodandrapidlyevolvedanddominatedthe WebChuchinolepis Name Homonyms Chuchinolepis Chang, 1978 Bibliographic References. In [Ed.] Symposium on the Devonian System of South China, 1974. Geological Press, Beijing Neave, S. A. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online.
Category:Chuchinolepis - Wikimedia Commons
WebFeb 2, 2013 · Interpretation of the dermal skeletal tissues in Yunnanolepis and Chuchinolepis is difficult due to recrystallization. Comparison to published reports, however, shows that the three-layered structure with a boundary of compact tissue between the superficial and medial layer is common to the antiarchs (Heintz, 1929 ; Downs and … WebThey were one of the first species recognized for what they were, as their fossils are common in the Old Red Sandstone formation studied by geologists in the early 19th century. Due to their extreme divergence from modern-day fish, they were a puzzle unsolved until Charles Darwin brought forward his theories on evolution. [citation needed] citigroup private bank career
Biology:List of placoderm genera - HandWiki
Bothriolepis (from Greek: βόθρος bóthros, 'trench' and Greek: λεπίς lepis 'scale') was a widespread, abundant and diverse genus of antiarch placoderms that lived during the Middle to Late Devonian period of the Paleozoic Era. Historically, Bothriolepis resided in an array of paleo-environments spread across every paleocontinent, including near shore marine and freshwater settings. Most sp… WebChuchinolepis qujingensis 38 Chuchinolepis robusta 1 Chuchinolepis sulcata 10 Colombialepis Colombialepis villarroeli 13 Dayaoshania Dayaoshania youngi 5 Dianolepis Dianolepis liui 2 Gerdalepis Gerdalepis jesseni 2 Grammaspis Grammaspis callima 1 Grenfellaspis Grenfellaspis branagani 114 Grossilepis brandi 7 Grossilepis rikiki 37 … WebAn extended phylogenetic analysis of Galeaspida indicates that Qushiaspis, Gantarostrataspis, Wumengshanaspis, and Rhegmaspis form a monophyletic group, the … citigroup rating moody\u0027s