Definition of Librostoma. Meaning of Librostoma. Synonyms of Librostoma

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Definition of Librostoma

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Meaning of Librostoma from wikipedia

- Librostoma is a subclass of trilobites defined by having a natant hypostome, which is a hypostome (mineralized trilobite mouthpart) that is free from the...
- some species the pygidium is outlined with a flat border. The Subclass Librostoma was recently erected to encomp**** several related orders, including Ptychopariida...
- recently given their own order (Ebach & McNamara 2002). The subclass Librostoma was erected in 1990 by Richard Fortey to cover the various orders originally...
- with the order Ptychopariida, though it is not included in the subclass Librostoma. Phacopida was one of only two trilobite orders (along with the Proetida)...
- and Harpetida were grouped together as order Ptychopariida; subclass Librostoma was erected in 1990 to encomp**** all of these orders, based on their shared...
- classification Kingdom: Animalia Phylum: Arthropoda class: Trilobita Subclass: Librostoma Order: Ptychopariida Suborder: Ptychopariina Superfamily: Ptychopariacea...
- Eukaryota Kingdom: Animalia Phylum: Arthropoda class: †Trilobita Subclass: †Librostoma Order: †Asaphida Fortey & Chatterton, 1988 Superfamilies Anomocaroidea...
- Ptychopariida in some features, the proetids are included in the subclass Librostoma. Unlike the trilobites of the phacopid suborder Phacopina, whose eyes...
- This Librostoma-related article is a stub. You can help Wikipedia by expanding it....
- classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda class: †Trilobita Subclass: †Librostoma Order: †Asaphida Genus: †Elkia Walcott, 1924...