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Archaeopriapulida
Class of marine worms From Wikipedia, the free encyclopedia
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Archaeopriapulida is a group of priapulid worms known from Cambrian lagerstätte.[3] The group is closely related to, and very similar to, the modern Priapulids.[4] It is unclear whether it is mono- or polyphyletic.[5] Despite a remarkable morphological similarity to their modern cousins,[6] they fall outside of the priapulid crown group, which is not unambiguously represented in the fossil record until the Carboniferous.[7] In addition to well-preserved body fossils, remains of several archaeopriapulid taxa are known to have been preserved primarily as organic microfossils, such as isolated scalids and pharyngeal teeth.[8][9][10] They are probably closely related or paraphyletic to the palaeoscolecids; the relationship between these basal worms is somewhat unresolved.[5]
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Species
- Genus Acosmia Chen & Zhoi 1997 (Chengjiang deposits)
- Acosmia maotiania Chen & Zhoi 1997
- Genus Archotuba Hou et al. 1999 (possibly a Cnidarian) (Chengjiang deposits)[11]
- Archotuba conoidalis Hou et al. 1999
- Genus Baltiscalida Slater et al. 2017
- Baltiscalida njorda Slater et al. 2017
- Genus Eopriapulites Liu & al 2014[12]
- Eopriapulites sphinx Liu & al 2014
- Genus Eximipriapulus Ma et al. 2014 (Chengjiang deposits) [13]
- Eximipriapulus globocaudatus Ma et al. 2014
- Genus Lagenula Luo & Hu 1999 nomen dubium (Chengjiang deposits)[6]
- Lagenula striolata Luo & Hu 1999 nomen dubium
- Genus Laojieella Han et al. 2006 (Chengjiang deposits)[14]
- Laojieella thecata Han et al. 2006
- Genus Lecythioscopa Conway Morris 1977 (Burgess Shale)
- Lecythioscopa simplex (Walcott 1931) Conway Morris 1977 [Canadia simplex Walcott 1931]
- Genus Oligonodus Luo & Hu 1999 nomen dubium (Chengjiang deposits)[6]
- Oligonodus specialis Luo & Hu 1999 nomen dubium
- Genus Sandaokania Luo & Hu 1999 nomen dubium (Chengjiang deposits)[6]
- Sandaokania latinodosa Luo & Hu 1999 nomen dubium
- Genus Singuuriqia Peel 2017 (Sirius Passet)[15]
- Singuuriqia simoni Peel 2017
- Genus Sullulika Peel & Willman, 2018[16]
- Sullulika broenlundi Peel & Willman, 2018
- Genus Vladipriapulus Ivantsov et al. 2005 (Sinsk Formation) [17]
- Vladipriapulus malakhovi Ivantsov et al. 2005
- Genus Xishania Hong 1981
- Xishania fusiformis Hong 1981
- Xishania jiangxiensis Hong 1988
- Genus Paratubiluchus Han, Shu, Zhang et Liu, 2004 (Chengjiang deposits)
- Paratubiluchus bicaudatus Han, Shu, Zhang et Liu, 2004
- Genus Xiaoheiqingella Hu 2002
- Genus Priapulites Schram 1973 (Mazon Creek)
- Priapulites konecniorum Schram 1973
- Family Palaeopriapulitidae Hou et al. 1999
- Genus Sicyophorus Luo & Hu 1999 (Chengjiang deposits)[6]
- Sicyophorus rara Luo & Hu 1999
- Sicyophorus sp.[20]
- Genus Paraselkirkia Luo & Hu 1999[21]
- Paraselkirkia sinica (Luo & Hu 1999) Luo & Hu 1999
- Genus Sicyophorus Luo & Hu 1999 (Chengjiang deposits)[6]
- Family Selkirkiidae Conway Morris 1977 (stem Palaeoscolecida)[22]
- Genus Selkirkia Walcott 1911
- Selkirkia elongata Luo & Hu 1999 (Chengjiang deposits)
- Selkirkia columbia Walcott 1911 (Burgess Shale)
- Selkirkia pennsylvanica Resser & Howell 1938
- Selkirkia spencei Resser 1939
- Selkirkia tsering Nanglu & Ortega-Hernández 2024
- Selkirkia willoughbyi Conway Morris & Robison 1986
- Genus Selkirkia Walcott 1911
- Order Ancalagonida Adrianov & Malakhov 1995 (stem Scalidophora)[22]
- Family Ancalagonidae Conway Morris 1977
- Genus Ancalagon (Walcott 1911) Conway Morris 1977 (Burgess Shale)
- Ancalagon minor (Walcott 1911) Conway Morris 1977
- Genus Ancalagon (Walcott 1911) Conway Morris 1977 (Burgess Shale)
- Family Fieldiidae Conway Morris 1977
- Genus Fieldia Walcott 1912 (Burgess Shale)
- Fieldia lanceolata Walcott 1912
- Genus Fieldia Walcott 1912 (Burgess Shale)
- Genus Scolecofurca Conway Morris 1977 (Burgess Shale)
- Scolecofurca rara Conway Morris 1977
- Family Ottoiidae Walcott 1911
- Genus Ottoia Walcott 1911
- Ottoia cylindrica Sun & Hou 1987
- Ottoia guizhouenis Yang, Zhao & Zhang 2016
- Ottoia prolifica Walcott 1911 (Burgess Shale)
- Ottoia tenuis Walcott 1911
- Ottoia tricuspida Smith, Harvey & Butterfield 2015
- Genus Ottoia Walcott 1911
- Family Corynetidae Huang, Vannier & Chen 2004
- Genus Corynetis Luo & Hu 1999
- Corynetis brevis Luo & Hu 1999 [Anningvermis multispinosus Huang et al. 2004[6]) (Chengjiang deposits)[13]
- Corynetis fortis Hu et al. 2012[23] (Chengjiang deposits)
- Corynetis pusillus Klug 1842
- Genus Corynetis Luo & Hu 1999
- Family Miskoiidae Walcott 1911
- Genus Louisella Conway Morris 1977 (Burgess Shale)
- Louisella pedunculata (Walcott 1911) Conway Morris 1977
- Genus Miskoia Walcott 1911
- Miskoia placida Walcott 1931
- Miskoia preciosa Walcott 1911
- Genus Louisella Conway Morris 1977 (Burgess Shale)
- Family Ancalagonidae Conway Morris 1977
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References
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