| 词条 | Didymograptus |
| 释义 |
| name = Didymograptus | fossil_range = Middle Ordovician ~{{fossil range|478|443}} | image = Didymograptus murchisoni small.jpg | image_alt = | image_caption = Didymograptus murchisoni, Wales | regnum = Animalia | phylum = Hemichordata | classis = †Graptolithinia | ordo = | familia = | genus = †Didymograptus | genus_authority = McCoy 1851 | subdivision =
}}Didymograptus is an extinct genus of graptolites with four rows of cups. They lived during the Middle Ordovician,[1] to Late Ordovician.[2] DistributionFossils of Didymograptus have been found in Argentina, Australia, Bolivia, Canada (Northwest Territories, Quebec, Yukon, Newfoundland and Labrador), Chile, China, Colombia (Tarqui, Huila),[3] the Czech Republic, Estonia, France, Iran, Morocco, New Zealand, Norway, Peru, Portugal, the Russian Federation, Saudi Arabia, Spain, Sweden, the United Kingdom, the United States (Alaska, California, Idaho, Nevada, New York, Utah), and Venezuela.[2] References{{Portal|Paleontology|Paleozoic}}{{Commons category|Didymograptus}}1. ^{{cite book | title=Prehistoric Life: the Definitive Visual History of Life on Earth | publisher=DK Publishing | year=2009 | location=New York City | isbn=978-0-7566-5573-0 | last=Palmer | first=Douglas | display-authors=1 | first2=Martin | last2=Brasier | edition=first American | page=89 | chapter=Ordovician}} 2. ^1 Didymograptus at Fossilworks.org 3. ^Moreno et al., 2008, p.10 Bibliography
21 : Graptolite genera|Ordovician invertebrates|Paleozoic animals of Oceania|Ordovician animals of Africa|Ordovician animals of Asia|Ordovician animals of Europe|Ordovician animals of North America|Ordovician Canada|Ordovician United States|Ordovician animals of South America|Ordovician Argentina|Ordovician Bolivia|Ordovician Colombia|Fossils of Colombia|Ordovician Peru|Ordovician Venezuela|Fossil taxa described in 1851|Paleozoic life of Newfoundland and Labrador|Paleozoic life of the Northwest Territories|Paleozoic life of Quebec|Paleozoic life of Yukon |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。