EXCEPTIONAL PRESERVATION OF SOFT TISSUES IN CRETACEOUS FISHES FROM THE TLAYÚA QUARRY, CENTRAL MEXICO

JESÚS ALVARADO-ORTEGA; LUIS ESPINOSA-ARRUBARRENA; ALBERTO BLANCO; FRANCISCO J. VEGA; MOULOUD BENAMMI; DEREK E. G. BRIGGS

doi:10.2110/palo.2006.p06-059r

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1 November 2007 EXCEPTIONAL PRESERVATION OF SOFT TISSUES IN CRETACEOUS FISHES FROM THE TLAYÚA QUARRY, CENTRAL MEXICO

JESÚS ALVARADO-ORTEGA, LUIS ESPINOSA-ARRUBARRENA, ALBERTO BLANCO, FRANCISCO J. VEGA, MOULOUD BENAMMI, DEREK E. G. BRIGGS

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PALAIOS, 22(6):682-685 (2007). https://doi.org/10.2110/palo.2006.p06-059r

Abstract

The Tlayúa Quarry, sometimes referred to as the Mexican Solnhofen, is one of the most important fossil localities in Mexico, with fishes making up 70%–80% of the macrofossils. White cryptocrystalline hydroxyapatite patches within many specimens reveal details of muscles, gills, digestive tract, and stomach contents under the scanning electronic microscope. This is the first record of soft-tissue preservation of this kind in Mesozoic fishes from North America. The association of terrestrial, freshwater, and marine organisms, including shallow marine foraminifera, together with abundant ooids and isotopic evidence of fresh water higher in the sequence, favor a shallow, restricted-marine paleoenvironment.

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JESÚS ALVARADO-ORTEGA, LUIS ESPINOSA-ARRUBARRENA, ALBERTO BLANCO, FRANCISCO J. VEGA, MOULOUD BENAMMI, and DEREK E. G. BRIGGS "EXCEPTIONAL PRESERVATION OF SOFT TISSUES IN CRETACEOUS FISHES FROM THE TLAYÚA QUARRY, CENTRAL MEXICO," PALAIOS 22(6), 682-685, (1 November 2007). https://doi.org/10.2110/palo.2006.p06-059r

Accepted: 1 January 2007; Published: 1 November 2007

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