Parvodus
| Parvodus Temporal range:
| |
|---|---|
| File:Parvodus ominechonensis teeth 2.jpg | |
| Teeth of Parvodus ominechonensis | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Order: | †Hybodontiformes |
| Family: | †Lonchidiidae |
| Genus: | †Parvodus Rees & Underwood, 2001 |
| Type species | |
| Lissodus rugianus Ansorge, 1990
| |
Parvodus is an extinct genus of hybodont, known from the Mesozoic era.
Species
[edit | edit source]The initial study naming the genus considered 3 species valid, which were originally placed in Lissodus.[1]
- P. curvidens (Duffin and Thies, 1997), Kimmeridgian, Germany
- P. ominechonensis Breeden et al., 2024, Carnian, Japan
- P. pattersoni (Duffin, 1985), Bathonian, England and Scotland
- P. rugianus (Ansorge, 1990) Berriasian-Valanginian, England, Germany, Denmark and Sweden.
The paper also noted a possible record is known from the Sinemurian of England.[1]
Some later studies also included the species Parvodus heterodon (Patterson, 1966) from the Early Cretaceous of England in the genus,[2] though other studies have included this species in the genus Polyacrodus.[3] Some studies have also included the species "Hybodus" parvidens Woodward, 1916, from the Early Cretaceous of Europe and North America within Parvodus,[4] though again this species has also been assigned to Polyacrodus.[3][5] A 2023 paper assigned the newly described species P. huizodus from the Early Triassic of China to the genus.[4] The species Parvodus celsucuspus Rees et al., 2013 has been reported from the Early Cretaceous of England and France.[6][7] A single tooth of Parvodus sp. has also been reported from the Upper Cretaceous (Campanian) of France.[8]
References
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- ^ a b Underwood, Charlie J. and Rees, J. (2002) Selachian faunas from the earliest Cretaceous Purbeck Group of Dorset, southern England. Special Papers in Palaeontology 68, pp. 107-19. ISSN 0038-6804.
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