Vertebrate coprolites from the lower Permian (Lower Wolfcampian) Gallina Well locality, Joyita Hills, Socorro County, New Mexico

Proceedings Volume: "Evaluating How Continental Sedimentary Basins Fill: Development and Preservation of Sedimentary Successions", New Mexico Geological Society, 2012 Annual Spring Meeting Pub Date : 2012-04-27 DOI:10.56577/sm-2012.159

A. Cantrell, T. L. Suazo, J. Spielmann, S. Lucas

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引用次数: 3

Abstract

Vertebrate coprolites are the most common trace fossils found at the Lower Permian (middle Wolfcampian) Gallina Well locality in Socorro County, New Mexico (NMMNH locality 4668). Despite the relative abundance of coprolites at the locality, little attention has been paid to the coprolite ichno-assemblage. This ichno-assemblage includes the first occurrence of Dakyronocopros arroyoensis in New Mexico, the earliest appearance of Alococopros triassicus and occurrences of Heteropolacopros texaniensis and amorphous coprolites. The age and faunal associations of Alococopros triassicus from the Gallina Well locality refute earlier assertions that longitudinally-striated coprolite forms were produced by stem archosauromorphs and are restricted to the Mesozoic and Cenozoic Eras.

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新墨西哥州Socorro县Joyita Hills Gallina Well地区下二叠纪(下wolfcamian)的脊椎动物粪化石

脊椎动物粪化石是新墨西哥州Socorro县(NMMNH地区4668)下二叠统(wolfcamian中)Gallina Well地区最常见的痕迹化石。尽管该地区的粪化石相对丰富，但对粪化石的技术组合关注较少。该化石组合包括新墨西哥州首次出现的Dakyronocopros arroyoensis，最早出现的Alococopros triassicus，以及Heteropolacopros texaniensis和无定形粪化石的出现。Gallina Well地区三叠纪Alococopros triassicus的年龄和区系关联驳斥了先前的观点，即纵向条纹的粪化石形式是由茎类始源类产生的，并且仅限于中生代和新生代。

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Proceedings Volume: "Evaluating How Continental Sedimentary Basins Fill: Development and Preservation of Sedimentary Successions", New Mexico Geological Society, 2012 Annual Spring Meeting

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