WebMar 1, 2010 · Biogeographically, the three main Chinese blocks (South China, North China, and Tarim blocks) constitute the “Pan-Cathaysian Galeaspid Province” during the mid-Paleozoic with highly endemic vertebrate faunas. Some major groups of early vertebrates, such as galeaspids, placoderms, and sarcopterygians, apparently originated and … WebThe phylogeny of antiarch placoderms Sarah Kearsley. Abstract Adams consensus trees M12 plate Bremer support The most comprehensive phylogenetic study of antiarchs to date (Zhu, 1996) included information not derived from observation. The M12 plate is a small bone in the pectoral appendage. The shape of this and bootstrap values In cases where ...
(PDF) Redescription of the Sanqiaspidae (Galeaspida) from the …
WebApr 18, 2024 · Phymolepis cuifengshanensis, a yunnanolepidoid from the Early Devonian of southwestern China, is re-described in detail to reveal the information on endocranial anatomy and additional morphological... WebJun 8, 2024 · Adopted. The text now reads: “Thus, the histology of yunnanolepidoid scales is remarkably different from that of their dermal bony plates, which exhibits a three-layered structure including a thick cancellous spongiosa in the middle as in Yunnanolepis and Chuchinolepis (Giles et al., 2013). Significantly, the dermal skeletal differentiation ... how to spread 10 10 10 fertilizer
Palaeos Vertebrates: Placodermi: Antiarcha
WebAbstract The Primitive Antiarch Yunnanolepis from China: A Microtomographic Study Jessica Grahn PlacodermsappearedintheSilurianperiodandrapidlyevolvedanddominatedthe Antiarchi ("opposite anus") is an order of heavily armored placoderms. The antiarchs form the second-most successful group of placoderms after the arthrodires in terms of numbers of species and range of environments. The order's name was coined by Edward Drinker Cope, who, when examining some fossils that he thought were armored tunicates related to Chelysoma, mistakenl… how to spray yellow jacket nest