| 词条 | Leptomitus |
| 释义 |
| fossil_range = {{Geological range|Middle Cambrian}}[1] | taxon = Leptomitus | authority = Walcott, 1886[2] | type_species = Leptomitus zitteli | type_species_authority = Walcott, 1886 | subdivision = {{bold species list | L. conicus | García-Bellido et al., 2007 | L. lineatus | (Walcott, 1920) Rigby & Collins, 2004 | L. metta | Rigby, 1983 | L. teretiusculus | Chen, Hou & Lu, 1989 | L. undulatus | Rigby & Collins, 2004 | L. zitteli | Walcott, 1886 }} | synonyms = †Tuponia Walcott, 1920[3] }} Leptomitus is a genus of demosponge known from the Middle Cambrian Burgess Shale.[4] Its name is rerived from the Greek lept ("slender") and mitos ("thread"), referring to the overall shape of the sponge. {{gpb abundance|138|0.26}} External links
References1. ^{{Cite journal| pages = 737–748| year = 2007| doi = 10.1016/j.geobios.2007.02.006| first1 = J.| volume = 40| title = 'Cambrian' demosponges in the Ordovician of Morocco: Insights into the early evolutionary history of sponges| journal = Geobios| last1 = Botting| issue = 6 }} {{Taxonbar|from=Q3830754}}{{cambrian-animal-stub}}{{demosponge-stub}}{{paleo-sponge-stub}}2. ^{{Cambrian contribution 2}} 3. ^{{cite journal | last1 = Walcott | first1 = C. D. | year = 1920 | title = Cambrian geology and paleontology IV:6—Middle Cambrian Spongiae | url = https://biodiversitylibrary.org/page/29838882 | journal = Smithsonian Miscellaneous Collections | volume = 67 | issue = | pages = 261–364 }} 4. ^{{Cite journal | last1 = García-Bellido | first1 = D. C. | last2 = Gozalo | first2 = R. | last3 = Chirivella Martorell | first3 = J. B. | last4 = Liñán | first4 = E. | title = The Demosponge Genus Leptomitus and a New Species From the Middle Cambrian of Spain | journal = Palaeontology | volume = 50 | issue = 2 | pages = 467 | year = 2007 | doi = 10.1111/j.1475-4983.2007.00635.x| url = https://www.researchgate.net/publication/227642648}} 4 : Protomonaxonida|Prehistoric sponge genera|Burgess Shale sponges|Cambrian genus extinctions |
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