Definition of Agnostina. Meaning of Agnostina. Synonyms of Agnostina

- in the Late Ordovician. The Agnostida are divided into two suborders — Agnostina and Eodiscina — which are then subdivided into a number of families. As...
- fossils. Other groups show secondary lost facial sutures, such as all Agnostina and some Phacopina. Another common feature of the Olenellina also suggests...
- (which may also be called peronopsids) comprise the earliest family of the Agnostina suborder. Species of this family occurred on all paleocontinents. The...
- primitive suborder of the Agnostida, and the Agnostina the more advanced. Some scholars do not consider the Agnostina true trilobites, and consequently rejected...
- Agnostidae is a family of Agnostida trilobites. Like all Agnostina, they were eyeless and had only two thoracic segments. These trilobites inhabited benthic...
- the Russian Federation (Siberia). They uniquely differ from all other Agnostina in having the frontal glabellar lobe wider than the rear lobe. The Condylopygidae...
- entirely obliterated as in the Agnostina suborder. Tannudiscus has some other characters it shares with the Agnostina, such as a glabella consisting of...
- same size (or isopygous) and outline. As in all Agnostina, Agnostus has two thorax segments. When Agnostina are enrolled, a tiny opening between the cephalon...
- Naimark & Chaika (2025) study the structure of the cuticles of members of Agnostina, reporting evidence of greater similarity to cuticles of chelicerates...
- Ptychagnostidae is classified under the superfamily Agnostoidea of the suborder Agnostina, order Agnostida. The family was first established by the ****anese paleontologist...