| 词条 | Mackenzia |
| 释义 |
| fossil_range = Middle Cambrian, {{Fossil range|{{period start|Burgess Shale}}}} | parent_authority = Walcott, 1911 | taxon = Mackenzia costalis | authority = Walcott, 1911 }}Mackenzia is an elongated bag-like animal known from the Middle Cambrian Burgess Shale. It attached directly to hard surfaces, such as brachiopod shells. {{gpb abundance|14|<0.1}} Mackenzia was originally described by Charles Walcott in 1911 as a holothurian echinoderm.[1] Later, Mackenzia is thought to be a cnidarian and appears most similar to modern sea anemones.[2] External links
References1. ^{{Cite journal| jstor = 1303225| pages = 750–755| title = Systematic Position of Eldonia ludwigi Walcott| journal = Journal of Paleontology| volume = 48| issue = 4| year = 1974 | last = Durham| first1 = J. W.| doi=10.2307/1303225| doi-broken-date = 2018-09-26}} {{Taxonbar|from=Q6724337}}{{cambrian-animal-stub}}2. ^{{Cite journal | author = Conway Morris, S. | year = 1993 | title = Ediacaran-like fossils in Cambrian Burgess Shale–type faunas of North America | journal = Palaeontology | volume = 36 | issue = 31–0239 | pages = 593–635 | url = http://ru.scribd.com/doc/4653562/Ediacaranlike-fossils-in-Cambrian-Burgess-Shaletype-faunas-of-North-America }} 3 : Burgess Shale animals|Prehistoric Hexacorallia genera|Fossil taxa described in 1911 |
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