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.
Systematics
After Kouchinsky et al. (2009):
- Aculeochrea <small>Val'kov & Sysoev, 1970</small>
- A. ornata <small>Val'kov & Sysoev, 1970</small>
- A. rugosa <small>(Val'kov & Sysoev, 1970)</small>
- Anabarites <small>Missarzhevsky in Voronova & Missarzhevsky, 1969</small>
- A. biplicatus <small>(Missarzhevsky, 1989)</small>
- A. compositus <small>Missarzhevsky in Rozanov et al., 1969</small>
- A. convexus <small>(Val'kov & Sysoev, 1970)</small>
- A. dalirense <small>Devaere et al., 2021</small>
- A. hariolus <small>(Vasil'eva, 1987)</small>
- A. hexasulcatus <small>(Missarzhevsky, 1974)</small>
- A. korobovi <small>(Missarzhevsky in Rozanov & Missarzhevsky, 1966)</small>
- A. latus <small>(Val'kov & Sysoev, 1970)</small>
- ?A. licis <small>(Missarzhevsky in Rozanov et al., 1969)</small>
- A. missarzhevskyi <small>(Vasil'eva, 1986)</small>
- A. modestus <small>Bokova, 1985</small>
- ?A. natellus <small>(Val'kov & Sysoev, 1970)</small>
- A. rectus <small>Vasil'eva in Rudavskaya & Vasil'eva, 1984</small>
- A. ternarius <small>Missarzhevsky in Rozanov et al., 1969</small>
- A. tripartitus <small>Missarzhevsky in Rozanov et al., 1969</small>
- A. tristichuus <small>Missarzhevsky in Rozanov et al., 1969</small>
- A. trisulcatus <small>Missarzhevsky in Voronova & Missarzhevsky, 1969</small>
- A. valkovi <small>(Bokova in Bokova & Vasil'eva, 1990)</small>
- ?A. volutus <small>(Missarzhevsky in Rozanov et al., 1969)</small>
- Cambrotubulus <small>Missarzhevsky in Rozanov et al., 1969</small>
- C. decurvatus <small>Missarzhevsky in Rozanov et al., 1969</small>
- Mariochrea <small>Val'kov, 1982</small>
- M. sinuosa <small>Val'kov, 1982</small>
- Selindeochrea <small>Val'kov, 1982</small>
- S. tecta <small>Val'kov, 1982</small>
- S. tricarinata <small>(Missarzhevsky in Rozanov et al., 1969)</small>
References