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1 January 2017 First Record of a New Species of Amblypygus (Echinoidea) from the Middle Miocene of Mersa Matruh, Western Desert, Egypt
Mohamed Said M. Ali
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Abstract

The echinoid genus Amblypygus Agassiz is reported for the first time from the middle Miocene and is represented by a new species, A. matruhensis sp. nov., from the area west of Mersa Matruh, Western Desert, Egypt. This extends the range of Amblypygus from the lower Eocene to the middle Miocene. A morphological comparison between the two genera Amblypygus and Echinoneus shows that they differ in that Amblypygus has a semi-ethmolytic apical disc and crenulate, perforate tubercles whereas Echinoneus has an ethmophract apical disc and non-crenulate, non-perforate tubercles. The paleoecology and the paleogeography of the genus Amblypygus are discussed.

© by the Palaeontological Society of Japan
Mohamed Said M. Ali "First Record of a New Species of Amblypygus (Echinoidea) from the Middle Miocene of Mersa Matruh, Western Desert, Egypt," Paleontological Research 21(1), 44-53, (1 January 2017). https://doi.org/10.2517/2016PR016
Received: 2 January 2016; Accepted: 1 March 2016; Published: 1 January 2017
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