| 词条 | Plumulites |
| 释义 |
| name = Plumulites canadensis | fossil_range = {{fossil range|Ordovician|Permian}} | regnum = Animalia | phylum = Annelida | classis = | ordo = Machaeridia | familia = Plumulitidae | genus = Plumulites | species = P. canadensis | binomial = Plumulites canadensis | binomial_authority = A. Woodward, 1889 | subdivision_ranks = Other species | subdivision =Plumulites lamonti Candela & Crighton, 2017[1] }}Plumulites canadensis[2] is a member of the machaeridian family and existed from {{Ma|480}} until about {{Ma|250}}. This armoured annelid worm is the relative of the modern-day earthworm, leech and bristleworm. Fewer than ten fossils of Plumulites have been found.[3] References1. ^{{Cite journal|author1=Y. Candela |author2= W. R. B. Crighton |year=2017 |title=Addenda to the record of machaeridian shell plates in the Wether Law Linn Formation (Late Llandovery), Pentland Hills, Scotland |journal=Scottish Journal of Geology |volume=53 |issue=1 |pages=35–39 |doi=10.1144/sjg2016-006 }} 2. ^{{cite journal |author=Jakob Vinther & David Rudkin |year=2010 |title=The first articulated specimen of Plumulites canadensis (Woodward, 1889) from the Upper Ordovician of Ontario, with a review of the anterior region of Plumulitidae (Annelida: Machaeridia) |journal=Palaeontology |volume=53 |issue=2 |pages=327–334 |doi=10.1111/j.1475-4983.2010.00938.x}} 3. ^{{Cite journal| doi = 10.1038/nature06474| pmid = 18185586| year = 2008| last1 = Vinther | first1 = J.| last2 = Van Roy | first2 = P.| last3 = Briggs | first3 = D.| title = Machaeridians are Palaeozoic armoured annelids| volume = 451| issue = 7175| pages = 185–188| journal = Nature|bibcode = 2008Natur.451..185V }} External links
4 : Prehistoric annelid genera|Monotypic protostome genera|Fossil taxa described in 1889|Fezouata Formation fossils |
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