Published November 23, 2016 | Version v1
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Figure 7 from: Ashworth AC, Erwin TL (2016) Antarctotrechus balli sp. n. (Carabidae, Trechini): the first ground beetle from Antarctica. ZooKeys 635: 109-122. https://doi.org/10.3897/zookeys.635.10535

  • 1. Geosciences, North Dakota State University, Fargo, United States of America
  • 2. National Museum of Natural History, Smithsonian Institution, Washington, Washington DC, United States of America

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Figure 7 - Comparison of the apices of the fossil right elytron Antarctotrechus balli sp. n. and a modern Trechisibus sp. with line drawings of each showing 3rd interval setigerous pores and recurrent grooves of the latter. An isodiametric microornament is partially visible on the fossil.

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