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 ... 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…
Chalepini - Wikipedia
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] WebZhanjilepis aspartilis is an extinct yunnanolepid placoderm from Pridoli and Lochkovian rocks of Hunan, China. Zhanjilepis is known only from distinctively ordered plates.. Description Plates. Zhanjilepis plates are very similar to the Late Llandovery yunnanolepid Shimenolepis, also known from distinctively ornamented plates.. References listtile selected flutter
Antiarchi - Wikipedia
WebEchinolepis carioca. (Magelhaes, 1898) Echinolepis is a monotypic genus of flatworms belonging to the family Hymenolepididae. The only species is Echinolepis carioca. [1] … WebJan 1, 1996 · The pectoral fin articulation of the Chuchinolepididae is argued to have only one dermal joint. It is suggested that the pectoral fin of the Chuchinolepididae is … WebFive new antiarchs (Yunnanolepis porifera n.sp., Mizia longhuaensis n.gen., n.sp., Phymolepis guoruii n.sp., Chuchinolepis robusta n.sp. and C. sulcata n.sp.) are described on the basis of the new material from the Early Devonian of Qujing, Yunnan Province, south-western China. Y. chii is reexamined to show the Chang's apparatus and … listtile with border flutter