Sphenothallus Hall 1847 (worm)

Polychaeta

Synonym: Campylites Eichwald 1856

Parent taxon: Polychaeta according to J. J., Jr. Sepkoski 2002

See also Bayer et al. 1956 and Zhu et al. 2000

Sister taxa: Aciculata, Aeolosomatidae, Amphinomorpha, Arachnostega, Bundenbachochaeta, Caprascolex, Drilomorpha, Ebetallites, Eopolychaetus, Eotrophonia, Eunicemorpha, Eunicida, Flabelligerimorpha, Geophilus proavus, Haileyia, Hammatopsis, Hesionites, Hirudopsis, Khemisina, Klakesia, Leodicidae, Lockportia, Microtubus, Miskoa, Nawnites, Oliveirania, Onuphionella, Palaeotubus, Palpata, Parergodrilidae, Phragmochaetidae, Phyllodocemorpha, Pontobdellopsis, Potamodrilidae, Propolynoe, Psammodrilidae, Pyllodocida, Ramesses, Ruedemannella, Sarcionata, Schizoproboscina, Scolecida, Sedentaria, Sedentarida, Serpulimorpha, Siboglinidae, Soris, Spiomorpha, Spiroglyphus, Stoma, Terebellomorpha, Tosalorbis, Tubicola, Tubulelloides, Tymbochoos

Subtaxa: Campylites letullieri Sphenothallus angustifolius

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Type: Sphenothallus angustifolius

Ecology: stationary epifaunal suspension feeder

Distribution:

• Jurassic of Madagascar (1 collection)

• Virgilian of United States (1: Texas)

• Carboniferous of the Czech Republic (1), Ukraine (1), United States (1: Texas)

• Devonian of United States (2: Ohio)

• Silurian of United States (1: Iowa)

• Ordovician of China (1), the Czech Republic (1), South Korea (4), the United Kingdom (2), United States (3: Iowa, Kentucky)

• Llandeilo of the United Kingdom (1)

• Cambrian of Canada (1: Brithish Columbia), China (5), the Czech Republic (1), United States (2: Nevada)

Total: 29 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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