| 词条 | Pirania |
| 释义 |
| fossil_range = {{Geological range|Burgess Shale|Middle Ordovician}}[1] | regnum = Animalia | phylum = Porifera | classis = Demospongae | ordo = †Protomonaxonida | familia = †Piraniidae | genus = †Pirania | genus_authority = Walcott, 1920 | type_species = Pirania muricata | type_species_authority = Walcott, 1920 | subdivision_ranks = Species | subdivision = {{Species list | Pirania auraenum | Botting, 2007[1] | Pirania llanfawrensis | Botting, 2004[2] | Pirania muricata | Walcott, 1920 }} Pirania is a genus of sponge known from the Middle Cambrian Burgess Shale and the Ordovician Fezouata formation.[3] It is named after Mount St. Piran, a mountain situated in the Bow River Valley in Banff National Park, Alberta. It was first described in 1920 by Charles Doolittle Walcott.[4] {{gpb abundance|198|0.38}} External links
References1. ^1 {{cite journal|last=Botting|first=J. P.|year=2007|title='Cambrian' demosponges in the Ordovician of Morocco: insights into the early evolutionary history of sponges|journal=Geobios|volume=40|issue=6|pages=737–748|doi=10.1016/j.geobios.2007.02.006}} {{Taxonbar|from=Q7197749}}{{cambrian-animal-stub}}{{ordovician-animal-stub}}{{paleo-sponge-stub}}2. ^{{cite journal|last=Botting|first=J. P.|year=2004|title=An exceptional Caradoc sponge fauna from the Llanfawr Quarries, Central Wales and phylogenetic implications|journal=Journal of Systematic Palaeontology|volume=2|issue=1|pages=31–63|doi=10.1017/S147720190300110X}} 3. ^{{Cite journal| doi = 10.1038/nature09038| title = Ordovician faunas of Burgess Shale type| year = 2010| last1 = Van Roy | first1 = P.| last2 = Orr | first2 = P. J.| last3 = Botting | first3 = J. P.| last4 = Muir | first4 = L. A.| last5 = Vinther | first5 = J.| last6 = Lefebvre | first6 = B.| last7 = Hariri | first7 = K. E.| last8 = Briggs | first8 = D. E. G.| journal = Nature| volume = 465| pages = 215–8| pmid = 20463737| issue = 7295|bibcode = 2010Natur.465..215V }} 4. ^{{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 }} 7 : Protomonaxonida|Burgess Shale sponges|Prehistoric sponge genera|Cambrian first appearances|Middle Ordovician extinctions|Taxa named by Charles Doolittle Walcott|Fossil taxa described in 1920 |
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