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  • Deltacephalaspis is an extinct genus of trilobites in the order Phacopida. It contains four species, D. comis, D. magister, D. retrospina, and D. tumida...
    1 KB (58 words) - 21:30, 17 December 2021
  • The 1973 Salta earthquake occurred in the Province of Salta, in the Republic of Argentina, at a depth of 12 kilometres (7.5 mi), on 19 November, with a...
    2 KB (121 words) - 15:57, 4 May 2022
  • Calmonia is an extinct genus of trilobites. It contains one species: C. curvioculata.[citation needed] Fossils of Calmonia have been found in the Emsian...
    1 KB (55 words) - 19:08, 18 April 2022
  • Andinacaste is an extinct genus of trilobites. It contains two species, A. espejensis, and A. legrandi.[citation needed] Fossils have been found in the...
    1 KB (37 words) - 19:08, 18 April 2022