Asaphida is a large, morphologically diverse order of trilobites found in marine strata dated from the Middle Cambrian until their extinction during the...

trilobites (Agnostida and Pytchopariida, which completely died out, and the Asaphida which were much reduced). Brachiopods, bryozoans and echinoderms were also...

evolutionary trend. Notable examples of this were the orders Agnostida and Asaphida, and the suborder Illaenina of the Corynexochida. Effacement is believed...

erected to encompass several related orders, including Ptychopariida, Asaphida, Proetida, Harpetida, and possibly Phacopida. These are now known as the...

cephalon) to larger than the cephalon. They can be smooth, as in order Asaphida, or spiny, as in order Lichida. They can be classified into four categories...

creatures with olfactory tentacles include snails, the trilobite superfamily Asaphida, and the fly family Diopsidae. In slugs and snails, these tentacles will...

The trilobites Agnostida and Ptychopariida completely died out, and the Asaphida were much reduced. Brachiopods, bryozoans and echinoderms were also heavily...

Trinucleioidea is a superfamily of trilobites. Traditionally placed within the Asaphida, it is now sometimes considered its own order, Trinucleida. There are five...

Saukiidae is a family of trilobites of the Asaphida order. These fast-moving low-level epifaunal deposit feeders lived in the Cambrian and Ordovician periods...

Traditionally, four orders are placed in the librostoma; they are the: Asaphida, Harpetida, Proetida, and Ptychopariida; however, two primitive Phacopids...

Trinucleus is a genus of trilobites of the order Asaphida. It is in the family Trinucleidae. Fossil specimens are found in the Ordovician rocks of Powys...

Nileidae is a family of trilobites of the Asaphida order. These fast-moving nektonic carnivores lived in the Ordovician and Cambrian periods. Aocaspis...

(2011). "Cope's rule in the Ordovician trilobite family Asaphidae (order Asaphida): patterns across multiple most parsimonious trees". Historical Biology:...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Lloydolithus Bancroft 1933...

obesus (Belt, 1867). Bettonolithus is a genus of trilobites of the Order Asaphida. It is in the family Trinucleidae. Fossil specimens have been found in...

Salterolithus is a genus of trilobites of the order Asaphida. It is in the family Trinucleidae and was named after British geologist J.W. Salter. Fossil...

†Nectaspidida Order †Helmetiida † Order †Eodiscina Order †Olenellina Order †Asaphida Order †Aulacopleurida Order †Corynexochida Order †Harpetida Order †Redlichiida...

University of Kansas Special Publication 1:1-276. S. M. GON III. "Order Asaphida". Archived from the original on 6 January 2011. JELL, P. A.; ADRAIN, J...

Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphus Species: †A. kowalewskii Binomial name...

Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Ampyx Dalman, 1827 Type species Ampyx nasutus...

Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Superfamily: †Trinucleioidea Family: †Raphiophoridae Angelin, 1854 Subfamilies...

The order Agnostida was completely wiped out, and the formerly diverse Asaphida survived with only a single genus, Raphiophorus. A cool-water trilobite...

Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Damghanampyx Ghobadi Pour, Vidal & Hosseini-Nezhad...

Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Pricyclopyge Richter & Richter, 1954 Type...

Cyclopygoidea is a superfamily of trilobites in the order Asaphida, containing the families Cyclopygidae, Nileidae, Symphysurinidae, and Taihungshaniidae...

Keithiella Macronoda Plectrella Proricephalus Ptychaspis Saukioides Sunwaptia Wilcoxaspis S. M. Gon III. "Order Asaphida". Retrieved November 21, 2010. v t e...

Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Sagavia Koroleva, 1967 Species See text...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphellus Callaway ,1877...

became extinct, and these include most of the superfamilies in the order Asaphida, save for Trinucleoidea. A reduction in diversity already occurred before...

Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Emmrichops Marek, 1961 Species E. planicephala...