File:Orconectes pellucidus (cave crayfish) (Mammoth Cave, Kentucky, USA).jpg

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English: (public domain photo provided by the American National Park Service)

Orconectes pellucidus (Tellkampf, 1844) - cave crayfish in Kentucky, USA.

The crustaceans are a large group of arthropods that inhabit marine, marginal marine, freshwater, and terrestrial habitats. The crustaceans include crabs, lobsters, shrimp, crayfish, barnacles, ostracods, and other organisms. The oldest fossil crustaceans are in the Cambrian. The group experienced a significant radiation in the oceans during the Mesozoic Marine Revolution.

Cave crayfish lack the dark-colored exoskeleton present in surface species. Instead, the exoskeleton is light-colored and translucent.

Classification: Animalia, Arthropoda, Crustacea, Malacostraca, Decapoda, Cambaridae

Locality: undisclosed underground river/stream in Mammoth Cave, west-central Kentucky, USA
日期
來源 https://www.flickr.com/photos/47445767@N05/49921597292/
作者 James St. John

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這幅圖片原始出處為Flickr的https://flickr.com/photos/47445767@N05/49921597292 ,作者為James St. John 。經機器人FlickreviewR 2在2024年4月22日審查後確定為採用Public Domain Mark的協議授權使用。

2024年4月22日

Public domain
This work has been released into the public domain by the author on Flickr, where the author has declared it as a "Public Domain Work" and tagged it with the 共享創意 Public Domain Mark.
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The Public Domain Mark (PDM) is not a copyright license, but a symbol used to indicate that a work is in the public domain. When it is applied by the author or the copyright holder, community consensus has decided such works as being public domain in the US and countries where it is legally possible to release own work to the public domain. In the countries where this is not possible, the copyright status of the work remains undetermined.
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Cave crawdad (Orconectes pellucidus) in Mammoth Cave, KY

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