Syllipsimopodi
| Syllipsimopodi Temporal range: Mississippian
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Genus: | †Syllipsimopodi Whalen & Landman, 2022[1] |
| Species: | †S. bideni
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| Binomial name | |
| †Syllipsimopodi bideni Whalen & Landman, 2022[1]
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Syllipsimopodi is an extinct member of the cephalopod subclass Coleoidea belonging to the clade Vampyropoda, ancestral vampire squids. The type and only known species is Syllipsimopodi bideni, named after US President Joe Biden.[2][1] The well-preserved holotype fossil was found in the Bear Gulch Limestone deposit in the US state of Montana in 1988.[3] Individuals were 12 cm (4.7 in) long and had 10 arms with suckers, with two of the arms being longer than the others.[3] It is currently the oldest known cephalopod with suckers on its arms.[3]
References
- ^ a b c Whalen, C. D.; Landman, N. H. (2022). "Fossil coleoid cephalopod from the Mississippian Bear Gulch Lagerstätte sheds light on early vampyropod evolution". Nature Communications. 13 (1): Article number 1107. doi:10.1038/s41467-022-28333-5.
- ^ Imbler, Sabrina (8 March 2022). "Fossil of Vampire Squid's Oldest Ancestor Is Named for Biden". The New York Times. Retrieved 8 March 2022.
- ^ a b c Strickland, Ashley (8 March 2022). "Fossil of 328 million-year-old octopus relative still has suckers on its arms". CNN. Retrieved 8 March 2022.
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