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首次在泰国晚三叠世脊椎动物粪便化石中发现寄生虫卵。

First discovery of parasite eggs in a vertebrate coprolite of the Late Triassic in Thailand.

机构信息

Palaeontological Research and Education Centre, Mahasarakham University, Kantarawichai, Mahasarakham, Thailand.

MIVEGEC, CNRS - IRD - Montpellier Université, Montpellier, France.

出版信息

PLoS One. 2023 Aug 9;18(8):e0287891. doi: 10.1371/journal.pone.0287891. eCollection 2023.

DOI:10.1371/journal.pone.0287891
PMID:37556448
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10411797/
Abstract

A paleoparasitological investigation of a vertebrate coprolite from the Huai Hin Lat Formation (Upper Triassic) was carried out. Five morphotypes of potential parasite eggs or sporocysts were identified in the coprolite by microscopic analysis using thin section technique. The rounded or oval shape and thick shell of one of the five morphotypes suggests that it belongs to nematode of the order Ascaridida. Systematic assignment of other morphotypes cannot be done in detail but suggests that the host was parasitized by different species of parasites. This is the first record of parasites in terrestrial vertebrate hosts from the Late Triassic in Asia and it provides new information on parasite-host interactions during the Mesozoic era.

摘要

对来自淮滨拉特纳组（上三叠统）的脊椎动物粪便化石进行了古寄生虫学研究。通过使用薄片技术的显微镜分析，在粪便化石中鉴定出五种潜在寄生虫卵或孢子囊的形态类型。其中一种形态类型的圆形或椭圆形形状和厚壳表明它属于线虫目。其他形态类型的系统分配无法详细进行，但表明宿主被不同种类的寄生虫寄生。这是亚洲晚三叠世陆栖脊椎动物宿主中寄生虫的首次记录，为中生代寄生虫-宿主相互作用提供了新信息。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/a06c59ed84c7/pone.0287891.g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/ad113b5560f4/pone.0287891.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/5ff037d1e36b/pone.0287891.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/755c2133b755/pone.0287891.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/2638165a3965/pone.0287891.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/dce664b946c0/pone.0287891.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/746799df6da9/pone.0287891.g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/a06c59ed84c7/pone.0287891.g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/ad113b5560f4/pone.0287891.g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/5ff037d1e36b/pone.0287891.g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/755c2133b755/pone.0287891.g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/2638165a3965/pone.0287891.g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/dce664b946c0/pone.0287891.g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/746799df6da9/pone.0287891.g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8c0e/10411797/a06c59ed84c7/pone.0287891.g007.jpg

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