Definition of Ptychopariida. Meaning of Ptychopariida. Synonyms of Ptychopariida

- Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in the second...
- what are now members of orders Ptychopariida, Asaphida, Proetida and Harpetida were grouped together as order Ptychopariida; subclass Librostoma was erected...
- small. The families of Harpetida were formerly included in the order Ptychopariida, but were recently given their own order (Ebach & McNamara 2002). The...
- record along with trilobites from the Redlichiida, Corynexochida, and Ptychopariida orders, and were highly diverse throughout the Cambrian. Agnostidan...
- on the taxonomy and localities of Ordovician trilobites (Trilobita: Ptychopariida: Illaenidae, Panderidae) of Leningrad Region". BarSU Herald. Biological...
- event. These typically small trilobites resemble those of the order Ptychopariida, from which the new order Proetida was separated in 1975 by Fortey and...
- and planktonic forms like graptolites. The trilobites Agnostida and Ptychopariida completely died out, and the Asaphida were much reduced. Brachiopods...
- this order. The first representatives of the orders Corynexochida and Ptychopariida also appear very early on and may prove to be even earlier than any...
- classification Kingdom: Animalia Phylum: Arthropoda class: Trilobita Order: Ptychopariida Superfamily: Crepicephaloidea Family: Crepicephalidae Genus: Coosella...
- †Redlichiida Order †Lichida Order †Phacopida Order †Proetida Order †Ptychopariida Order †Isoxyida Order †Hymenocarina Order †Mollisoniida Order †Bradoriida...