The anabaritids or angustiochreids are enigmatic tubular, mineralizing organisms with a trifold symmetry (i.e., clover shape) known from their Lower Cambrian fossils. They may have represented cnidaria, but their affinity within the Metazoa is difficult to constrain.[1]

Anabaritid
Temporal range: Early Cambrian
Anabarites trisulcatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: incertae sedis
Family: Anabaritidae
Missarzhevsky, 1974
Genera

Systematics

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After Kouchinsky et al. (2009):[1]

  • Aculeochrea Val'kov & Sysoev, 1970
    • A. ornata Val'kov & Sysoev, 1970
    • A. rugosa (Val'kov & Sysoev, 1970)
  • Anabarites Missarzhevsky in Voronova & Missarzhevsky, 1969
    • A. biplicatus (Missarzhevsky, 1989)
    • A. compositus Missarzhevsky in Rozanov et al., 1969
    • A. convexus (Val'kov & Sysoev, 1970)
    • A. dalirense Devaere et al., 2021[2]
    • 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)
  • Cambrotubulus Missarzhevsky in Rozanov et al., 1969
    • C. decurvatus Missarzhevsky in Rozanov et al., 1969
  • Mariochrea Val'kov, 1982
    • M. sinuosa Val'kov, 1982
  • Selindeochrea Val'kov, 1982
    • S. tecta Val'kov, 1982
    • S. tricarinata (Missarzhevsky in Rozanov et al., 1969)

References

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  1. ^ a b 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.
  2. ^ 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.