30506 - Top Rare 7.28 Inch Illaenus giganteus Silurian Trilobite - France

† Illaenus, Dalman 1827 (trilobite)
Trilobita - Corynexochida - Illaenidae

 
PaleoDB taxon number: 19582

Parent taxon: Illaenidae according to R. A. Fortey and D. L. Bruton 2013

See also Bruton and Owen 1988, Fortey and Droser 1999, Jell and Adrain 2002, Neuman 1964, Owen and Bruton 1980, Raymond 1916, Sepkoski 2002, Warburg 1925 and Zhou et al. 1998

Sister taxa: Bumastoides, Bumastus, Caudillaenus, Cryptonymus, Deucalion, Dysplanus, Eastonillaenus, Ectillaenus, Harpillaenus, Hyboaspis, Hydrolaenus, Illaeninae, Nanillaenus, Octillaenus, Panderinae, Parillaenus, Platillaenus, Ptilillaenus, Stenopareia, Thaleops, Ulugtella, Zbirovia, Zdicella, Zetillaenus

Subtaxa: Illaenus (Parillaenus), Illaenus alveatus, Illaenus auriculatus, Illaenus avus, Illaenus bayfieldi, Illaenus bucculentus, Illaenus cekovioides, Illaenus consimilis, Illaenus consobrinus, Illaenus crassicauda, Illaenus dalecarlicus, Illaenus fallax, Illaenus fraternus, Illaenus gelasinus, Illaenus gigas, Illaenus kueichouensis, Illaenus lacertus, Illaenus marginalis, Illaenus oscitatus, Illaenus oviformis, Illaenus renhuaniensis, Illaenus sinensis, Illaenus spiculatus, Illaenus tianrongi, Illaenus tingi, Illaenus tumidifrons, Illaenus usitatus, Illaenus utahensis, Illaenus wimani

View classification

Type: Illaenus fallax

Ecology: nektobenthic carnivore

Environments: marine (55 collections), carbonate (32), shallow subtidal (26), deep subtidal shelf (26), reef, buildup or bioherm (18), offshore (10), offshore shelf (10), deep subtidal (8), open shallow subtidal (7), slope (6), transition zone/lower shoreface (5), (4), lagoonal/restricted shallow subtidal (2), peritidal (2), basinal (siliciclastic) (1), platform/shelf-margin reef (1), deep-water (1), coastal (1), offshore (1), shoreface (1), sand shoal (1)

Age range: 478.6 to 426.2 Ma

Distribution:

• Silurian of Canada (1: Northwest Territories collection), China (1), United States (4: Indiana)

• Ordovician of Argentina (8), Australia (2), Belarus (1), Belgium (1), Canada (39: Newfoundland, Newfoundland and Labrador, Northwest Territories, Nunavut, Nunvait, Ontario, Quebec, Yukon), China (48), Estonia (9), France (1), Iran (3), Ireland (6), Kazakhstan (6), Lithuania (1), the Netherlands (1), Norway (20), Portugal (2), the Russian Federation (17), Sweden (80), the United Kingdom (17), United States (61: California, Illinois, Iowa, Iowa/Wisconsin, Maine, Minnesota, Nevada, Tennessee, Utah, Virginia, Wisconsin)

• Llandeilo of China (11), Sweden (1), the United Kingdom (2)

• Chazy of Canada (1: Quebec)

• Whiterockian of Canada (38: Newfoundland, Newfoundland and Labrador, Northwest Territories, Quebec), Norway (1), United States (31: Nevada, Oklahoma)

• Dawan of China (4)

• Cassinian of Canada (3: Newfoundland, Newfoundland and Labrador), the United Kingdom (1)

• Arenig of Argentina (4), Canada (1: Newfoundland and Labrador), China (15)

• Arenigian of China (1)

• Canadian of China (4)