Anabarites

Anabarites is a problematic lower Cambrian genus, and is one of the small shelly fossils. It was abundant in the early Tommotian and is also found in the Nemakit-Daldynian.^[1] The fossils represent the triradially symmetrical mineralised tube in which the organism dwelt; it was sedentary.^[2] It is named after the Anabar region in Yakutia, Russia; its name does not imply 'heavy'.^[3]

Anabarites Temporal range: lower Cambrian PreꞒ Ꞓ O S D C P T J K Pg N
Anabarites trisulcatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	incertae sedis
Family:	†Anabaritidae
Genus:	†Anabarites Missarzhevsky in Voronova & Missarzhevsky, 1969
Synonyms
?Kugdatheca Missarzhevsky in Rozanov et al., 1969  ?Tiksitheca Missarzhevsky in Rozanov et al., 1969 Angustiochrea Val'kov & Sysoev, 1970 Jakutiochrea Val'kov & Sysoev, 1970  ?Lobiochrea Val'kov & Sysoev, 1970 Anabaritellus Missarzhevsky, 1974 Udzhaites Vasil'eva, 1986 Kotuites Missarzhevsky, 1989  ?Sexangulatus Fedorov in Pel'man et al., 1990

Species

After Kouchinsky et al. (2009):^[4]

• A. biplicatus (Missarzhevsky, 1989)
• A. compositus Missarzhevsky in Rozanov et al., 1969
• A. convexus (Val'kov & Sysoev, 1970)
• A. dalirense Devaere et al., 2021^[5]
• A. hariolus (Vasil'eva, 1987)
• A. hexasulcatus (Missarzhevsky, 1974)
• A. korobovi (Missarzhevsky in Rozanov & Missarzhevsky, 1966)
• A. latus (Val'kov & Sysoev, 1970)
•  ?A. licis (Missarzhevsky in Rozanov et al., 1969)
• A. missarzhevskyi (Vasil'eva, 1986)
• A. modestus Bokova, 1985
•  ?A. natellus (Val'kov & Sysoev, 1970)
• A. rectus Vasil'eva in Rudavskaya & Vasil'eva, 1984
• A. ternarius Missarzhevsky in Rozanov et al., 1969
• A. tripartitus Missarzhevsky in Rozanov et al., 1969
• A. tristichuus Missarzhevsky in Rozanov et al., 1969
• A. trisulcatus Missarzhevsky in Voronova & Missarzhevsky, 1969
• A. valkovi (Bokova in Bokova & Vasil'eva, 1990)
•  ?A. volutus (Missarzhevsky in Rozanov et al., 1969)

Further reading

For images, see Matthews, S. C.; Missarzhevsky, V. V. (1975). "Small shelly fossils of late Precambrian and early Cambrian age: a review of recent work". Journal of the Geological Society. 131 (3): 289–303. doi:10.1144/gsjgs.131.3.0289.

• Kouchinsky, Artem; Bengtson, Stefan (2002). "The tube wall of Cambrian anabaritids" (PDF). Acta Palaeontol. Pol. 47 (3): 431–444.

References

1. Felitsyn, S. B.; Gubanov, A. P. (2002). "Nd isotope composition of early Cambrian discrete basins". Geological Magazine. 139 (2). doi:10.1017/S0016756801006252.
2. Yi, Q.; Bengtson, S. (1989). "FOSSILS AND STRATA Shards of the Cambrian explosion". Lethaia. 22 (3): 270–270. doi:10.1111/j.1502-3931.1989.tb01341.x.
3. Matthews, S. C.; Missarzhevsky, V. V. (1975). "Small shelly fossils of late Precambrian and early Cambrian age: a review of recent work". Journal of the Geological Society. 131 (3): 289–303. doi:10.1144/gsjgs.131.3.0289.
4. Kouchinsky, A.; Bengtson, S.; Feng, W.; Kutygin, R.; Val'kov, A. (2009). "The Lower Cambrian fossil Anabaritids: Affinities, occurrences and systematics". Journal of Systematic Palaeontology. 7 (3): 241. doi:10.1017/S1477201909002715. S2CID 140636579.
5. Devaere, L.; Korn, D.; Ghaderi, A.; Struck, U.; Bavandpur, A. K. (2021). "New and revised small shelly fossil record from the lower Cambrian of northern Iran". Papers in Palaeontology. 7 (4): 2141–2181. Bibcode:2021PPal....7.2141D. doi:10.1002/spp2.1391.