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Extinct order of trilobites
Asaphida is a large, morphologically diverse order of trilobites found in marine strata dated from the Middle Cambrian until their extinction during the
Asaphida
Third and final epoch of the Ordovician Period, 458–444 million years ago
trilobites (Agnostida and Pytchopariida, which completely died out, and the Asaphida which were much reduced). Brachiopods, bryozoans and echinoderms were also
Late_Ordovician
Class of extinct, Paleozoic arthropods
evolutionary trend. Notable examples of this were the orders Agnostida and Asaphida, and the suborder Illaenina of the Corynexochida. Effacement is believed
Trilobite
Superfamily of trilobites
Trinucleioidea is a superfamily of trilobites. Traditionally placed within the Asaphida, it is now sometimes considered its own order, Trinucleida. There are five
Trinucleioidea
Extinct family of trilobites
Nileidae is a family of trilobites of the Asaphida order. These fast-moving nektonic carnivores lived in the Ordovician and Cambrian periods. Aocaspis
Nileidae
Extinct family of trilobites
(2011). "Cope's rule in the Ordovician trilobite family Asaphidae (order Asaphida): patterns across multiple most parsimonious trees". Historical Biology:
Asaphidae
Protrusion that extends an eye away from the body
creatures with olfactory tentacles include snails, the trilobite superfamily Asaphida, and the fly family Diopsidae. In slugs and snails, these tentacles will
Eyestalk
Extinct family of trilobites
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
Saukiidae
Extinct superfamily of Trilobites
Cyclopygoidea is a superfamily of trilobites in the order Asaphida, containing the families Cyclopygidae, Nileidae, Symphysurinidae, and Taihungshaniidae
Cyclopygoidea
Extinct family of trilobites
Keithiella Macronoda Plectrella Proricephalus Ptychaspis Saukioides Sunwaptia Wilcoxaspis S. M. Gon III. "Order Asaphida". Retrieved November 21, 2010. v t e
Ptychaspididae
Extinct order of trilobites
erected to encompass several related orders, including Ptychopariida, Asaphida, Proetida, Harpetida, and possibly Phacopida. These are now known as the
Ptychopariida
Second period of the Paleozoic Era
The trilobites Agnostida and Ptychopariida completely died out, and the Asaphida were much reduced. Brachiopods, bryozoans and echinoderms were also heavily
Ordovician
Posterior body part or shield of crustaceans and some other arthropods
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
Pygidium
Extinct genus of trilobites
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
Trinucleus
Extinct order of trilobites
distanced from the rim of the headshield. The analysis identifies the taxa Asaphida, Olenina and Phacopida (including the Holotrachelidae) as sister groups
Proetida
Extinct family of trilobites
Wikispecies has information related to Anomocaridae. S. M. Gon III. "Order Asaphida". Retrieved 9 July 2018. Hüseyin Özdikmen (2009). "Nomenclatural changes
Anomocaridae
Extinct subclass of trilobites
Traditionally, four orders are placed in the Librostoma; they are the: Asaphida, Harpetida, Proetida, and Ptychopariida; however, two primitive phacopids
Librostoma
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
Palaeontology_in_Wales
†Nectaspidida Order †Helmetiida † Order †Eodiscina Order †Olenellina Order †Asaphida Order †Aulacopleurida Order †Corynexochida Order †Harpetida Order †Redlichiida
List_of_arthropod_orders
Extinct family of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Superfamily: †Trinucleioidea Family: †Raphiophoridae Angelin, 1854 Subfamilies
Raphiophoridae
Family of trilobites
Paleobiology. 79 (79): 1–89. doi:10.5479/si.00810266.79.1. S. M. Gon III. "Order Asaphida". Retrieved November 14, 2010. Seung-Bae Lee & Duck K. Choi (2011). "Dikelocephalid
Dikelocephalidae
Genus of arthropods (fossil)
is a genus of trilobites in the family Asaphidae. S. M. Gon III. "Order Asaphida". Archived from the original on 6 January 2011. Retrieved December 7, 2010
Niobe_(trilobite)
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Ampyx Dalman, 1827 Type species Ampyx nasutus
Ampyx_(trilobite)
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Gog Fortey, 1975 Species Gog catillus Fortey
Gog_(trilobite)
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Anomocaridae Genus: †Kolbinella Repina, 1960
Kolbinella
Genus of arthropods (fossil)
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Auritamidae Genus: †Auritama Öpik, 1967
Auritama
Extinct order of trilobites
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Harpetida
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Lapidaria Tjernvik, 1956
Lapidaria_(trilobite)
Genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Onnia Bancroft, 1933 Species Onnia cobboldi
Onnia_(trilobite)
Species of trilobite
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Norasaphus Species: †N. monroeae Binomial name
Norasaphus_monroeae
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Ogyginus Raymond, 1912 Species O. corndensis
Ogyginus
Mass extinction event c. 444 million years ago
The order Agnostida was completely wiped out, and the formerly diverse Asaphida survived with only a single genus, Raphiophorus. A cool-water trilobite
Late Ordovician mass extinction
Late_Ordovician_mass_extinction
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Priceaspis Legg, 1976
Priceaspis
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Anomocaridae Genus: †Paracoosia Kobayashi, 1936 Species P. huayuanensis
Paracoosia
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Lloydolithus Bancroft 1933
Lloydolithus
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Raphiophorus Angelin, 1854
Raphiophorus
Extinct genus of trilobites
Bettonolithus is a genus of trilobites of the Order Asaphida. It is in the family Trinucleidae. Fossil specimens have been found in the Lower Ordovician
Bettonolithus
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Anebolithus Hughes & Wright, 1970 Species
Anebolithus
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Pricyclopyge Richter & Richter, 1954 Type
Pricyclopyge
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Lonchodomas Angelin, 1854 Type species
Lonchodomas
Species of trilobite
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphus Species: †A. expansus Binomial name
Asaphus_expansus
Extinct genus of trilobites
Symphysurus is a genus of trilobite of the Asaphida order. These fast-moving nektonic carnivores lived in the Ordovician period Kraft, Petr; Bruthansová
Symphysurus
Extinct genus of trinucleid trilobite
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Marrolithus Bancroft, 1929 Species Marrolithus
Marrolithus
Extinct genus of trilobites
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
Ogygiocarella
Geologic formation in France
Those are the so-called "schistes à gateaux". Trilobites: Members from the Asaphida order and the Asaphidae family are commons : Asaphelina barroisi barroisi
Saint-Chinian_Formation
Genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphellus Callaway ,1877
Asaphellus
Extinct genus of trilobites
Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Broeggerolithus Bancroft, 1935
Broeggerolithus
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Zuninaspis Harrington and Leanza 1957 Species
Zuninaspis
Species of trilobite
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphus Species: †A. kowalewskii Binomial name
Asaphus_kowalewskii
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Hoekaspis Kobayashi, 1937 Species H. megacantha
Hoekaspis
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Cryptolithus Green, 1832
Cryptolithus
Genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Pseudoasaphus Schmidt, 1904
Pseudoasaphus
Extinct genus of trilobites
Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Anomocaridae Genus: †Irinia Egorova and Savitsky, 1968
Irinia
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Trigonocercella Hintze, 1952 Species T. acuta
Trigonocercella
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Taklamakania Zhang, 1979 Type species Taklamakania
Taklamakania
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Costonia Whittard, 1956 Species C. elegans
Costonia
Extinct family of trilobites
became extinct, and these include most of the superfamilies in the order Asaphida, save for Trinucleoidea. A reduction in diversity already occurred before
Cyclopygidae
Extinct genus of trilobites
"Unmineralized exoskeletal morphology of Isotelus (Arthropoda, Trilobita, Asaphida): Possible evidence of cephalic limb differentiation)". Geological Society
Isotelus
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Symphysops Raymond, 1925 Species See text
Symphysops
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Nanshanaspis Zhang & Fan, 1960 Type species
Nanshanaspis
Extinct order of trilobites
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Corynexochida
Extinct genus of trilobites
Parabarrandia is a genus of trilobite of the Asaphida order. These fast-moving nektonic carnivores lived in the Ordovician period. Parabarrandia bohemica
Parabarrandia
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Merlinia Fortey & Owens, 1987
Merlinia
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Pytine Fortey, 1975 Type species Pytine
Pytine
Extinct family of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Superfamily: †Trinucleioidea Family: †Trinucleidae Hawle & Corda, 1847
Trinucleidae
Extinct order of arthropods
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Agnostida
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Pseudogygites Kobayashi, 1934 Type species Asaphus
Pseudogygites
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Famatinolithus Harrington & Leanza, 1957
Famatinolithus
Genus of marine arthropods (fossil)
Cambrian Scientific classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Genus: †Quitalia Öpik, 1967
Quitalia
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Anomocaridae Genus: †Igarkiella Rozova, 1964 Species I. igarkaensis
Igarkiella
Species of trilobite
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Phacops_fecundus
Extinct order of trilobites
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Phacopida
Extinct superfamily of trilobite
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Proetoidea
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Cyclopyge Hawle & Corda, 1847 Type species
Cyclopyge_(trilobite)
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Deanaspis Hughes, Ingham & Addison, 1975
Deanaspis
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Lordshillia Whittard, 1966
Lordshillia
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Asaphus Brongniart, 1822 Type species Entomostracites
Asaphus
Genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Dikelocephalidae Genus: †Dikelocephalus Owen, 1852 Species D.
Dikelocephalus
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Paraptychopyge Balashova, 1964
Paraptychopyge
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Sagavia Koroleva, 1967 Species See text
Sagavia
Extinct species of trilobite
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Eldredgeops_rana
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Cyclopygidae Genus: †Prospectatrix Fortey, 1981 Type species Cyclopyge
Prospectatrix
Extinct genus of trilobites
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
Bumastus
Extinct genus of trilobites
Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Furcalithus Fortey & Owens, 1987
Furcalithus
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Megalaspides Brögger, 1886
Megalaspides
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Taihungshaniidae Genus: †Tungtzuella Lu, 1957
Tungtzuella
Extinct genus of trilobites
classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Trinucleidae Genus: †Myttonia Whittard, 1955
Myttonia
Extinct genus of trilobites
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
Salterolithus
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Remopleurididae Genus: †Oculeus Poletaeva & Romanenko, 1970
Oculeus
Canadian botanist and geologist (1837–1923)
v t e Trilobites Taxonomy Orders Agnostida Asaphida Corynexochida Harpetida Lichida Nektaspida Odontopleurida Phacopida Proetida Ptychopariida Redlichiida
George_Frederick_Matthew
Scientific classification Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Genus: †Plesiomegalaspis Thoral, 1946
Plesiomegalaspis
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Pterocephaliidae Genus: †Flabellocephalus Jinlin & Shaoxin, 1984
Flabellocephalus
of Asaphida belonging to the family Ordosiidae. Pseudotaitzuia rara Sp. nov Valid Yuan et al. Cambrian Changhia Formation China A member of Asaphida belonging
2012 in arthropod paleontology
2012_in_arthropod_paleontology
Genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Raphiophoridae Genus: †Carinocranium Dean, 1989 Species: †C. cariniferum
Carinocranium
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Lachnostoma Ross, 1951 Species L. latucelsum
Lachnostoma
Extinct genus of trilobites
Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Remopleurididae Genus: †Remopleurides Portlock, 1843
Remopleurides
& Kebria-ee Zadeh Cambrian (Furongian) Mila Formation Iran A member of Asaphida belonging to the family Ceratopygidae. Maghroharpes Gen. et 9 sp. et comb
2024 in arthropod paleontology
2024_in_arthropod_paleontology
Extinct genus of trilobites
Kingdom: Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Ogygites Tromelin & Lebescote, 1876
Ogygites
Extinct genus of trilobites
Animalia Phylum: Arthropoda Clade: †Artiopoda Class: †Trilobita Order: †Asaphida Family: †Asaphidae Genus: †Australopyge Harrington & Leanza, 1957 Species
Australopyge
Hypodicranotus striatulus is an extinct, pelagic trilobite in the order Asaphida, of the family Remopleuridae. Its fossils are found in Middle Ordovician-aged
Hypodicranotus
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