A list of the genera and species of Bivalved Entomostraca found in the Carboniferous formations of Great Britain and Ireland, with notes on the Genera and their distribution

T. Rupert Jones, James W. Kirkby
1886 Proceedings Geological Association  
2. Xestoleberis, G. O. Sal's, ] 865. Carapace smooth, pitted, or minutely papillate, subtriangular, with rounded outline, depressed and pointed in front, and tumid behind. Hinge formed of dentated crest of the left, articulating with a hollow in the right valve.
doi:10.1016/s0016-7878(86)80074-8 fatcat:qh3kpvidwjcidpe7g2bu54ao3i