Definition of Phacopina. Meaning of Phacopina. Synonyms of Phacopina

- The Phacopina comprise a suborder of the trilobite order Phacopida. Species belonging to the Phacopina lived from the Lower Ordovician (Tremadocian) through...
- groups show secondary lost facial sutures, such as all Agnostina and some Phacopina. Another common feature of the Olenellina also suggests this suborder...
- development of Dalmanitina, and the evolution of facial suture fusion in Phacopina". Paleobiology. 44 (4): 638–659. Bibcode:2018Pbio...44..638D. doi:10.1017/pab...
- close to the common ancestor of the Phacopina. Gyrometopus is phacopid in appearance, but unlike in other Phacopina, a rostral plate is present, although...
- expanded glabella, short or absent preglabellar area, and schizochroal (Phacopina) or holochroal (Cheirurina and Calymenina) eyes. Schizochroal eyes are...
- Eldredgeia is a genus of trilobites in the order Phacopida, suborder Phacopina, family Calmoniidae. This genus comes from the Devonian of South America...
- and earliest Upper Devonian of Morocco and the USA. Like in all sighted Phacopina, the eyes of Eldredgeops are composed of very large (0.5mm in Eldredgeops...
- the subclass Librostoma. Unlike the trilobites of the phacopid suborder Phacopina, whose eyes are schizochroal, the proetids have the more common holochroal...
- Animalia Phylum: Arthropoda class: Trilobita Order: Phacopida Suborder: Phacopina Superfamily: Acastoidea Family: Acastidae Subfamily: Asteropyginae Genus:...
- Zlichovaspis rugosa Odontocheila, a genus of beetles Struve, W. Suborder Phacopina, p. O471-O472. in Moore, R.C. (ed.). Treatise on Invertebrate Paleontology...