| 词条 | Dichograptus |
| 释义 |
| fossil_range = Ordovician ~{{fossil range|478|463}} | regnum = Animalia | phylum = Hemichordata | classis = Graptolithina | ordo = Graptoloidea | familia = Dichograptidae | genus = Dichograptus | genus_authority = Salter, 1863 [1] | type_species = Dichograptus sedgwicki Salter, 1863 }}Dichograptus (meaning two-branched writing or double-line marks) is an extinct genus of graptolites from the Ordovician.[2] Dichograptus probably fed on plankton. Individual animals were very tiny, only growing a few millimeters in length (1/8 of an inch). DistributionFossils of Dichograptus have been found in Argentina, Chile, China, Colombia (near Caño Cristales, Meta), New Zealand, Norway, and the United Kingdom.[3] References{{Portal|Paleontology|Paleozoic}}1. ^{{cite journal |author=R. A. Cooper & R. A. Fortey |year=1982 |title=The Ordovician graptolites of Spitsbergen |journal=Bulletin of the British Museum (Natural History), Geology |volume=36 |pages=1–171 |url=https://archive.org/details/bulletinofbritis36geollond}} 2. ^{{cite book |title=Dinosaurs to Dodos: An Encyclopedia of Extinct Animals |author=Don Lessem & Jan Sovak |isbn=0-590-31684-2 |publisher=Scholastic |year=1999}} 3. ^Dichograptus at Fossilworks.org Further reading
9 : Graptolite genera|Ordovician animals of Asia|Ordovician animals of Europe|Ordovician animals of South America|Ordovician Argentina|Ordovician Chile|Ordovician Colombia|Fossils of Colombia|Fossil taxa described in 1863 |
| 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。