Heliomeroides Evitt 1951 (trilobite)

Trilobita - Phacopida - Cheiruridae

Full reference: W. R. Evitt. 1951. Some Middle Ordovician trilobites of the families Cheiruridae, Harpidae, and Lichidae. Journal of Paleontology 25(5):587-616

Parent taxon: Cheiruridae according to P. A. Jell and J. M. Adrain 2002

See also Edgecombe et al. 1999 and Sepkoski 2002

Sister taxa: Acanthoparyphinae, Actinopeltis, Anasobella, Ancyginaspis, Arcticeraurinella, Areia, Areiaspis, Borealaspis, Bornholmaspis, Ceraurinium, Cerauromeros, Cerauropeltis, Ceraurus, Chacomurus, Cheirurinae, Cheirurus, Chiozoon, Contracheirurus, Crotalocephalides, Crotalocephalina, Crotalocephalus, Cyrtometopinae, Cyrtometopus, Deiphon, Deiphoninae, Didrepanon, Eccoptochilinae, Forteyops, Foulonia, Gabriceraurus, Hammannopyge, Hapsiceraurus, Heliomera, Hemisphaerocoryphe, Holia, Holotrachelus, Hyrokybe, Junggarella, Kawina, Kolymella, Krattaspis, Ktenoura, Laneites, Lehua, Onycopyge, Osekaspis, Parayoungia, Parisoceraurus, Pateraspis, Patomaspis, Pilekiinae, Placoparina, Pompeckia, Proromma, Protocerauroides, Pseudocheirurus, Radiurus, Ratinkaspis, Reraspis, Sphaerexochinae, Sphaexerochinae, Stubblefieldia, Sycophantia, Turantyx, Valongia, Whittakerites, Xylabion, Xystocrania, Youngia, Zazvorkaspis, Kinderlania

Subtaxa: Heliomeroides alacer Heliomeroides evitti Heliomeroides freschaufae Heliomeroides raymondi Heliomeroides teres Heliomeroides treta

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Type: Heliomeroides teres

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Ordovician of Argentina (3 collections), Canada (9: Northwest Territories), Spain (1), United States (3: California, Illinois, Virginia)

• Chazy of United States (2: New York)

• Llandeilo of the United Kingdom (1)

• Whiterockian of Canada (2: Newfoundland and Labrador), United States (2: New York, Vermont)

• Arenigian of Canada (1: Northwest Territories)

• Cassinian of the United Kingdom (1)

Total: 25 collections including 26 occurrences

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Specimen images are retrieved through the ePANDDA API.


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