(251.902–541.0 mya) Pridoli (419.2–423.0 mya) Ludlow (423.0–427.4 mya) Silurian (419.2–443.8 Mya) Wenlock (427.4–433.4 mya) Llandovery (433.4–443.8 mya) Late (358.9–382.7 mya) Devonian (358.9–419.2 mya) Middle (237–247.2 mya) Early (100.5–145.0 mya) Late (145.0–163.5 mya) Jurassic (145 million years ago–66 Eocene (33.9–56.0 mya) mya) Early (470.0–485.4 mya) Furongian (485.4–497 mya) • Middle East Journal 58.2, 254-269.