Aliso Viejo in Orange County, California — The American West (Pacific Coastal)

Mixocetus Baleen Whale

Plaza de La Paz

Photographed by Adam Margolis, August 28, 2010

1. Mixocetus Baleen Whale Marker

Inscription. This skull of Mixocetus baleen whale was discovered during grading of this plaza. It is the second example of the species known to science. The first was found in Los Angles in 1931.

Mixocetus was one of the largest marine animals to inhabit this area in the Miocene Epoch, 10 to 12 million years ago. It grew to about 35 feet and fed on small fish which caught in brush-like baleen plates.

Topics. This historical marker is listed in these topic lists: Animals • Paleontology. A significant historical year for this entry is 1931.

Location. 33° 34.029′ N, 117° 42.543′ W. Marker is unreadable. Marker is in Aliso Viejo, California, in Orange County. It can be reached from Plaza De La Paz west of La Paz Road. Touch for map. Marker is at or near this postal address: 27261 La Paz Rd, Laguna Niguel CA 92677, United States of America. Touch for directions.

Regionally, this marker is in Greater Los Angeles

and in the Peninsular Ranges.

It is also on the American Pacific Coast.

Globally, it is in North America,

on the Ring of Fire,

in the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

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Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers are within 3 miles of this location, measured as the crow flies: Plaza de La Paz (within shouting distance of this marker); Aliso Viejo Ranch (approx. one mile away); Fossil Reef (approx. 1½ miles away); Aguaje del Cuate Historic Highway 101 (approx. 2.1 miles away); Costeau Pit (approx. 2.4 miles away); James Hill, Born 1963 (approx. 2.4 miles away); Nellie Gail and Charlotte Moulton (approx. 2.8 miles away); Charlotte and Louise Moulton (approx. 2.8 miles away).

Photographed by Adam Margolis, August 28, 2010

2. Mixocetus Baleen Whale Marker

Credits. This page was last revised on February 7, 2023. It was originally submitted on December 19, 2021, by Adam Margolis of Mission Viejo, California. This page has been viewed 555 times since then and 37 times this year. Photos: 1, 2. submitted on December 19, 2021, by Adam Margolis of Mission Viejo, California. • Andrew Ruppenstein was the editor who published this page.