Chordata: Vertebrata: Lampreys: Heterostraci: Osteostraci: Gnathostomata: Placodermi: Chondrichthyes: Actinopterygii: Teleostei: Sarcopterygii: Tiktaalik: Ichthyostega: Tetrapoda: Lissamphibia: MYA 4600 4000 T 2500 Had Arc Pro Precambrian 440 420 Cm OSD Paleozoic 320 300 25 200 14 Ms Pn P Tr JK C 56 34 23 Pa E O Paleogene Mesozoic Phanerozoic 5.3 2.6 0.01 M Pli Pls H Neogene Cenozoic Tertiary present A Quaternary
Chordata: Vertebrata: Lampreys: Heterostraci: Osteostraci: Gnathostomata: Placodermi: Chondrichthyes: Actinopterygii: Teleostei: Sarcopterygii: Tiktaalik: Ichthyostega: Tetrapoda: Lissamphibia: MYA 4600 4000 T 2500 Had Arc Pro Precambrian 440 420 Cm OSD Paleozoic 320 300 25 200 14 Ms Pn P Tr JK C 56 34 23 Pa E O Paleogene Mesozoic Phanerozoic 5.3 2.6 0.01 M Pli Pls H Neogene Cenozoic Tertiary present A Quaternary
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
Related questions
Question
Draw a line above the geologic time scale below to mark the age range for each clade.

Transcribed Image Text:**Evolutionary Timeline of Vertebrates and Related Groups**
This timeline illustrates the appearance of various vertebrate groups throughout Earth's history, plotted against geologic time periods. It outlines the emergence of key groups along a chronological scale measured in millions of years ago (MYA).
**Chart Explanation:**
- **Geologic Time Scale:**
- The timeline at the bottom is divided into eons, eras, and periods.
- Eons include Precambrian and Phanerozoic, further subdivided into the eras: Paleozoic, Mesozoic, and Cenozoic.
**Eons and Eras:**
- **Precambrian (Had, Arc, Pro):**
- Had (Hadean)
- Arc (Archean)
- Pro (Proterozoic) – up to 540 million years ago.
- **Phanerozoic (540 MYA to present):**
- **Paleozoic Era:**
- Cm (Cambrian)
- O (Ordovician)
- S (Silurian)
- D (Devonian)
- Ms (Mississippian)
- Pn (Pennsylvanian)
- P (Permian)
- **Mesozoic Era:**
- Tr (Triassic)
- J (Jurassic)
- K (Cretaceous)
- **Cenozoic Era:**
- Paleogene:
- Pa (Paleocene)
- E (Eocene)
- O (Oligocene)
- Neogene:
- M (Miocene)
- Pli (Pliocene)
- Quaternary:
- Pls (Pleistocene)
- H (Holocene)
- A (Anthropocene – recent, not officially recognized)
**Groups and Their Appearance:**
Each group listed marks its first appearance on the timeline:
- **Chordata**
- **Vertebrata**
- **Lampreys**
- **Heterostraci**
- **Osteostraci**
- **Gnathostomata**
- **Placodermi**
- **Chondrichthyes**
- **Actinopterygii**
- **Teleostei**
- **Sarcopterygii**
- **Tiktaalik** (a transitional form between fish and tetrapods)
- **Ich
Expert Solution

Step 1 Answer
Step by step
Solved in 2 steps with 1 images
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