Tetragraptus approximatus
Species of marine worm-like animal / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Tetragraptus approximatus?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Tetragraptus approximatus is a species of dichograptid graptolite belonging to the genus Tetragraptus. It existed during the Floian Age (477.7 million years ago) of the Ordovician. It is an important index fossil in biostratigraphy.
Quick Facts Scientific classification, Binomial name ...
Tetragraptus approximatus | |
---|---|
Illustration of Tetragraptus approximatus | |
Original illustrations of Tetragraptus approximatus by Nicholson (1873). At the top is a magnified section of the stipes. A complete specimen is illustrated below. | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Hemichordata |
Class: | Pterobranchia |
Order: | †Graptoloidea |
Family: | †Dichograptidae |
Genus: | †Tetragraptus |
Species: | †T. approximatus |
Binomial name | |
†Tetragraptus approximatus Nicholson, 1873 | |
Close