File:Reconstruction of Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina) (32313481396).jpg

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Summary

Description

Aglaocetus moreni (Lydekker, 1894) - reconstruction of a fossil baleen whale attributed to the Oligocene of Argentina. (public signage, Field Museum of Natural History, Chicago, Illinois, USA)

This species is also known as Cetotherium moreni and Cetotheriopsis moreni.

Museum info.: "First there were meat eaters, then came plankton feeders. Around 40 million years ago, a new group of whales diverged from the earliest toothed whales: baleen whales. Instead of teeth, these whales have a comb-like screen of tissue called baleen that grows from their upper jaws. Baleen allows whales to filter tiny plankton from the seawater, taking advantage of an abundant food source. All whales today can be divided into two groups, baleen whales and toothed whales."

Classification: Animalia, Chordata, Vertebrata, Mammalia, Artiodactyla, Cetacea, Mysticeti, Aglaocetidae

See info. at: <a href="https://en.wikipedia.org/wiki/Aglaocetus" rel="nofollow">en.wikipedia.org/wiki/Aglaocetus</a> and

<a href="https://en.wikipedia.org/wiki/Baleen_whale" rel="nofollow">en.wikipedia.org/wiki/Baleen_whale</a>
Date
Source Reconstruction of Aglaocetus moreni (fossil baleen whale) (Oligocene; Argentina)
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/32313481396 (archive). It was reviewed on 4 November 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

4 November 2019

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author name string: James St. John
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inception

10 June 2011

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described at URL: https://www.flickr.com/photos/jsjgeology/32313481396/

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Date/TimeThumbnailDimensionsUserComment
current14:34, 4 November 20192,240 × 1,764 (4.67 MB)Ainz Ooal GownTransferred from Flickr via #flickr2commons
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