Augerinoichnus Helicoidalis, a New Helical Trace Fossil from the Nonmarine Permian of New Mexico

New Mexico contains a significant record of trace fossil assemblages, in terms of both abundance and ichnodiversity, from Lower Permian nonmarine depositional settings. Most notable amongst these are the trace fossil assemblages in the Robledo Mountains Formation of the Robledo Mountains in Doña Ana...

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Bibliographic Details
Published in:Journal of paleontology 2008-11, Vol.82 (6), p.1201-1206
Main Authors: Minter, Nicholas J, Lucas, Spencer G, Lerner, Allan J, Braddy, Simon J
Format: Article
Language:English
Subjects:
Abo Formation
Arthropods
Augerinoichnus helicoidalis
Behavior
burrows
coastal environment
Coastal plains
Dona Ana County New Mexico
Foraging
Fossils
Geological facies
Geology
ichnofossils
Invertebrata
invertebrate
lithostratigraphy
Lower Permian
Materials preservation
morphology
Museums
Natural history
New Mexico
new taxa
paleoenvironment
Paleontological Notes
Paleontology
Paleozoic
Permian
Robledo Mountains
Robledo Mountains Formation
Sediments
Sierra County New Mexico
Socorro County New Mexico
taxonomy
Tidal flats
Trace fossils
United States
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Summary:New Mexico contains a significant record of trace fossil assemblages, in terms of both abundance and ichnodiversity, from Lower Permian nonmarine depositional settings. Most notable amongst these are the trace fossil assemblages in the Robledo Mountains Formation of the Robledo Mountains in Doña Ana County, southern New Mexico, as recognized by the recent proposal to designate this area as a national monument. These trace fossil assemblages formed on a tidal flat under largely non-marine conditions (Mack and James, 1986; Hunt et al., 1993; Lucas et al., 1995a, 1998) and are dominated by the trackways of tetrapods and arthropods, yielding important information on the paleoecology, diversity and behavior of late Paleozoic arthropods (Braddy and Briggs, 2002; Minter and Braddy, 2006a), as well as evidence of specialized foraging strategies (Minter et al., 2006). Additional Lower Permian trace fossil assemblages occur at a number of localities in New Mexico and represent a variety of nonmarine depositional settings.
ISSN:0022-3360
1937-2337
DOI:10.1666/07-129.1