Trimerellida
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Trimerellida is an extinct order of craniate brachiopods, containing the sole superfamily Trimerelloidea and the families Adensuidae, Trimerellidae, and Ussuniidae. Trimerellidae was a widespread family of warm-water brachiopods ranging from the Middle Ordovician ("Llandeilo" / Darriwilian) to the late Silurian (Ludlow). Adensuidae and Ussuniidae are monogeneric families restricted to the Ordovician of Kazakhstan. Most individuals were free-living, though some (namely Australian populations of the genus Eodinobolus) clustered into large congregations similar to modern oyster reefs.
Trimerellida is an extinct order of craniate brachiopods, containing the sole superfamily Trimerelloidea and the families Adensuidae, Trimerellidae, and Ussuniidae. Trimerellidae was a widespread family of warm-water brachiopods ranging from the Middle Ordovician ("Llandeilo" / Darriwilian) to the late Silurian (Ludlow). Adensuidae and Ussuniidae are monogeneric families restricted to the Ordovician of Kazakhstan. Most individuals were free-living, though some (namely Australian populations of the genus Eodinobolus) clustered into large congregations similar to modern oyster reefs. Gyroselenella? Li, 1985 = Selenella [Upper Ordovician ("Ashgill")] Keteiodoros Strusz et al., 1998 [mid-Silurian (Wenlock)] Monomerella Billings, 1871 [Upper Ordovician ("Caradoc") – mid-Silurian (Wenlock)] Ovidiella Nikitin & Popov, 1984 [Middle Ordovician ("Llandeilo") – Upper Ordovician ("Caradoc")] Palaeotrimerella Li & Han, 1980 [Middle Ordovician ("Llandeilo") – Upper Ordovician ("Ashgill")] Paradinobolus Li & Han, 1980 [Upper Ordovician ("Ashgill")] Peritrimerella Liang, 1983 [Upper Ordovician ("Ashgill")] Porcidium Percival, 1995 [Upper Ordovician ("Caradoc")] Rhynobolus Hall, 1871 [mid-Silurian (Wenlock)] Sinotrimerella Li & Han, 1980 [Upper Ordovician ("Ashgill")] Trimerella Billings, 1862 [Upper Ordovician ("Ashgill") – mid-Silurian (Wenlock)] Yidurella Zeng, 1987 [lower Silurian] Family Ussuniidae Nikitin & Popov, 1984 Ussunia Nikitin & Popov, 1984 [Middle Ordovician ("Llandeilo") – Upper Ordovician ("Caradoc")]
References
Bibliography
Modzalevskaya, Tatyana Lvovna (2003). "Silurian and Devonian brachiopods from Severnaya Zemlya" (Russian Arctic). Geodiversitas 25 (1). pp. 73–107.
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