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Revision of the Clam Shrimp Genus Magumbonia from the Upper Jurassic of the Luanping Basin, Hebei, Northern China
Author(s) -
LI Gang,
SHEN Yanbin,
LIU Yongqing,
BENGTSON Peter,
WILLEMS Helmut,
HIRANO Hiramichi
Publication year - 2009
Publication title -
acta geologica sinica ‐ english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 61
eISSN - 1755-6724
pISSN - 1000-9515
DOI - 10.1111/j.1755-6724.2009.00006.x
Subject(s) - china , fauna , shrimp , structural basin , genus , sichuan basin , inner mongolia , geography , biology , paleontology , ecology , zoology , geology , archaeology , geochemistry
The diverse clam shrimp Nestoria‐Keratestheria fauna is widely distributed in the Dabeigou Formation in northern Hebei and eastern Inner Mongolia of China. Its important component genus Magumbonia from the Dabeigou Formation in the Luanping Basin, northern Hebei, China, is revised on the basis of a scanning electron microscope (SEM) examination of the type species M. jingshangensis Wang, 1984, which revealed morphological features not recognized previously. These include coarse reticulation on the umbo and prominent growth lines ornamented with densely spaced, small tubercles and fine lirae.