Definition of Pteraspidomorphi. Meaning of Pteraspidomorphi. Synonyms of Pteraspidomorphi
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Definition of Pteraspidomorphi
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- Pteraspidomorphi is an extinctclass of earlyjawless fish. They have long been regarded as closelyrelated or even ancestral to jawed vertebrates, but... - are currentlygrouped with arandaspids and astraspids in the cladePteraspidomorphi (Gagnier 1993, 1995; Donoghue & Smith 2001; Sansom et al. 2005), in... - Hyperoartia (lampreys) class †Conodonta class †Myllokunmingiida class †Pteraspidomorphiclass †Thelodonti class †Anaspida class †Cephalaspidomorphi Infraphylum... - †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida... - †Pteraspidomorphi †Thelodonti... - gnathostomes), and hagfish. The grouprepresents a subclasswithin the classPteraspidomorphi, and contains only one order, the Arandaspidiformes. The oldest known... - scheme, with the followingmajor groups: classMyxini (hagfish) classPteraspidomorphi † (early jawless fish) classThelodonti † classAnaspida † class Petromyzontida... - †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida... - ventral webs and an elongatednotochordal lobe. AstraspisSacabambaspis "Pteraspidomorphi". Retrieved 28 October 2013. Ritchie, Alexander; Gilbert-Tomlinson... - †Conodonts †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida...
