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Scyphozoa: Rugosa: Tabulata: Scleractinia: Cnidaria: MYA 4600 4000 2500 540 Had Arc Pro Precambrian Cm 485 440 420 360 320 300 250 O S D Ms Pn P Tr Paleozoic C 23 5.3 2.6 0.01 M Pli Pls ΗΤΑ Paleogene Neogene Cenozoic 200 145 66 56 34 J K Pa E O Mesozoic Phanerozoic Tertiary present Quaternary

Scyphozoa: Rugosa: Tabulata: Scleractinia: Cnidaria: MYA 4600 4000 2500 540 Had Arc Pro Precambrian Cm 485 440 420 360 320 300 250 O S D Ms Pn P Tr Paleozoic C 23 5.3 2.6 0.01 M Pli Pls ΗΤΑ Paleogene Neogene Cenozoic 200 145 66 56 34 J K Pa E O Mesozoic Phanerozoic Tertiary present Quaternary

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Draw a line above the geologic time scale below to mark the age range for each clade.
### Evolutionary Timeline of Cnidaria and Other Taxa This diagram illustrates the geological timeline and the evolution of different cnidarian taxa, such as Scyphozoa, Rugosa, Tabulata, and Scleractinia. It also provides a context of major geological eras and periods. #### Geological Eras and Periods: - **Hadean (Had), Archean (Arc), and Proterozoic (Pro)**: Represent the Precambrian time, which spans from about 4600 million years ago (MYA) to 540 MYA. This is shown in the diagram as the foundational block divided into three subdivisions. - **Paleozoic Era** (540 - 251 MYA): - **Cambrian (Cm), Ordovician (O), Silurian (S), Devonian (D), Mississippian (Ms), Pennsylvanian (Pn), and Permian (P)**: These periods mark the early development of marine life, with significant evolution and diversification events. - **Mesozoic Era** (251 - 66 MYA): - **Triassic (Tr), Jurassic (J), and Cretaceous (K)**: Known as the age of reptiles, this era sees the rise of dinosaurs and early mammals. - **Cenozoic Era** (66 MYA - present): - **Paleogene (Pa, Eocene E, Oligocene O) and Neogene (Miocene M, Pliocene Pli)**: These periods feature the diversification of mammals and birds. - **Quaternary Period**: Includes the Pleistocene (Pls) and Holocene (H). #### Cnidarian Taxa: - **Scyphozoa**: Jellyfish that have been present since the early periods of marine life. - **Rugosa and Tabulata**: Extinct types of coral known mostly from the fossil record. - **Scleractinia**: Modern stony corals that emerged later in the timeline. - **Cnidaria**: Represents the broader category that includes all these groups. This timeline synthesizes the complex history of life on Earth, focusing on the evolution of significant marine organisms against the backdrop of geological epochs and eras.
Transcribed Image Text:### Evolutionary Timeline of Cnidaria and Other Taxa This diagram illustrates the geological timeline and the evolution of different cnidarian taxa, such as Scyphozoa, Rugosa, Tabulata, and Scleractinia. It also provides a context of major geological eras and periods. #### Geological Eras and Periods: - **Hadean (Had), Archean (Arc), and Proterozoic (Pro)**: Represent the Precambrian time, which spans from about 4600 million years ago (MYA) to 540 MYA. This is shown in the diagram as the foundational block divided into three subdivisions. - **Paleozoic Era** (540 - 251 MYA): - **Cambrian (Cm), Ordovician (O), Silurian (S), Devonian (D), Mississippian (Ms), Pennsylvanian (Pn), and Permian (P)**: These periods mark the early development of marine life, with significant evolution and diversification events. - **Mesozoic Era** (251 - 66 MYA): - **Triassic (Tr), Jurassic (J), and Cretaceous (K)**: Known as the age of reptiles, this era sees the rise of dinosaurs and early mammals. - **Cenozoic Era** (66 MYA - present): - **Paleogene (Pa, Eocene E, Oligocene O) and Neogene (Miocene M, Pliocene Pli)**: These periods feature the diversification of mammals and birds. - **Quaternary Period**: Includes the Pleistocene (Pls) and Holocene (H). #### Cnidarian Taxa: - **Scyphozoa**: Jellyfish that have been present since the early periods of marine life. - **Rugosa and Tabulata**: Extinct types of coral known mostly from the fossil record. - **Scleractinia**: Modern stony corals that emerged later in the timeline. - **Cnidaria**: Represents the broader category that includes all these groups. This timeline synthesizes the complex history of life on Earth, focusing on the evolution of significant marine organisms against the backdrop of geological epochs and eras.
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Drawn the line for each given in the question.

The arrow mark are indicating the age range of the given question.

 

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