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Abstract <p>A parasitological analysis was performed using 24 dog coprolite, 1 cultural deposit, and 4 dung samples collected during excavations of the Mangazeya settlement (66°42′ N, 82°16′ E), the first Russian city of the 17th century (Late Holocene) in the north of Western Siberia. Helminth eggs were found in 26 (89.7%) samples. <i>Echinochasmus</i> sp. eggs were found in 48.3% of the samples, including the cultural deposit, 2 dung, and 11 dog coprolite samples. The genus is currently absent in the helminth fauna of the region. Helminths of the genus could have entered the region with infested dogs, pigs, and humans who migrated to the region from European Russia. A new stable natural focus of echinochasmosis did not form after the introduction, probably because of unfavorable climatic conditions of the region.</p>

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Find of Eggs of the Trematode Echinochasmus sp. (Trematoda, Echinochasmidae) in the Late Holocene of Northwestern Siberia

  • 期刊论文

  • 发表日期：

    2025年6月2日

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  • T. N. Sivkova,
  • P. A. Kosintsev,
  • V. V. Krapivina

摘要

Abstract

A parasitological analysis was performed using 24 dog coprolite, 1 cultural deposit, and 4 dung samples collected during excavations of the Mangazeya settlement (66°42′ N, 82°16′ E), the first Russian city of the 17th century (Late Holocene) in the north of Western Siberia. Helminth eggs were found in 26 (89.7%) samples. Echinochasmus sp. eggs were found in 48.3% of the samples, including the cultural deposit, 2 dung, and 11 dog coprolite samples. The genus is currently absent in the helminth fauna of the region. Helminths of the genus could have entered the region with infested dogs, pigs, and humans who migrated to the region from European Russia. A new stable natural focus of echinochasmosis did not form after the introduction, probably because of unfavorable climatic conditions of the region.