Revision of the Early Jurassic arthropod trackways Camurichnus and Hamipes von Getty, Patrick R.

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How much variation is in the shape of fossil pupation chambers? An exploratory geometric morphometric analysis of Fictovichnus gobiensis from the Late Eocene of Oaxaca, southern Me... von Guerrero-Arenas, Rosalía, Zúñiga-Marroquin, Tania, Jiménez-Hidalgo, Eduardo

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Implicaciones ambientales de las trazas fósiles de la Formación Ixtaltepec, Carbonífero de Oaxaca, México von Hernández-Ocaña, María Isabel, Quiroz-Barroso, Sara A.

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Predatory evidence in the high-latitude cold-water gastropod Buccinanops deformis (King, 1832) from the Holocene littoral sand ridges, Argentina, SW Atlantic von Gómez-Espinosa, Catalina, Farinati, Ester, Aliotta, Salvador

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The Oldest Camel Footprints from Mexico von Jiménez-Hidalgo, Eduardo, Guerrero-Arenas, Rosalía

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Conuláridos misisípicos de Nochixtlán, Oaxaca, México: consideraciones sistemáticas, estratigráficas y paleobiogeográficas von Escalante-Ruiz, Ana R., Quiroz-Barroso, Sara A., Tovar, Francisco Sour

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Middle-Upper Permian stenuroid (Asterozoa, Stenuroidea) from Las Delicias Formation, Coahuila, Mexico, relict youngest record for the group von Sour-Tovar, Francisco, Quiroz-Barroso, Sara A., Martín-Medrano, Leonora

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Gastropods from the Paso Hondo Formation (lower-middle Permian) of Chiapas, Mexico: Stratigraphical and paleobiogeographical considerations von Quiroz-Barroso, Sara A., Torres-Martínez, Miguel A., Sour-Tovar, Francisco

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Pennsylvanian nuculoids (Bivalvia) from the Ixtaltepec Formation, Oaxaca, Mexico von Quiroz-Barroso, Sara A., del Carmen Perrilliat, Maria

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PREFACE / PREFACIO Ichnology: modern and fossil evidence of biological activity von Pineda-Salgado, Gabriela, Quiroz-Barroso, Sara A.

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A Permian (late Guadalupian) brachiopod fauna from northeast Mexico and their paleobiogeographic affinities von Torres-Martínez, Miguel A., Heredia-Jiménez, Daniela P., Quiroz-Barroso, Sara A., Navas-Parejo, Pilar, Sour-Tovar, Francisco, Quiroz-Barragán, Jesús

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Reply to Jenchen, U.: Comment to Hernandez-Ocana, Maria I., Chacon-Baca, Elizabeth, Quiroz-Barroso, Sara A., Eguiluz-de Antunano, Samuel, Torres-de la Cruz, Felipe, and Chavez-Cabe... von Hernandez-Ocafia Maria, Elizabeth, Chacon-Baca, Quiroz-Barroso, Sara A., Eguiluz de Antunano, Samuel, Torres de la Cruz, Felipe, Chavez-Cabello, Gabriel

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Reply to Jenchen, U.: Comment to Hernández-Ocaña, María I., Chacon-Baca, Elizabeth, Quiroz-Barroso, Sara A., Eguiluz-de Antuñano, Samuel, Torres-de la Cruz, Felipe, and Chávez-Cabe... von Hernández-Ocaña, María I., Chacon-Baca, Elizabeth, Quiroz-Barroso, Sara A., Eguiluz de Antuñano, Samuel, Torres de la Cruz, Felipe, Chávez-Cabello, Gabriel

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A Paleogene ichnological record from the Wilcox Formation: Ophiomorpha and Venericardia (Venicor) zapatai in the Burgos Basin, northern Mexico von Hernández-Ocaña, María I., Chacon-Baca, Elizabeth, Quiroz-Barroso, Sara A., Eguiluz de Antuñano, Samuel, Torres de la Cruz, Felipe, Chávez-Cabello, Gabriel

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Dos especies nuevas de Paraconularia (Scyphozoa, Conulariidae) en la Formación Las Delicias, Pérmico Inferior–Medio de Coahuila, México von Quiroz-Barroso, Sara A., Sour-Tovar, Francisco, Quiroz-Barragán, Jesús

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Ichnology: modern and fossil evidence of biological activity von Pineda-Salgado, Gabriela, Quiroz-Barroso, Sara A.

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Bivalvos guadalupianos (Pérmico medio) de la Formación Olinalá, Guerrero, México von Guerrero Sánchez, Miguel, Quiroz Barroso, Sara A.

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Pennsylvanian bivalves from the Ixtaltepec Formation, Mexico von Quiroz-Barroso, Sara A., del Carmen Perrilliat, Maria

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Implicaciones ambientales de las trazas fósiles de la Formación Ixtaltepec, Carbonífero de Oaxaca, México von Hernández-Ocaña, María Isabel, Quiroz-Barroso, Sara A.

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PRESENCE OF HELICOPRION (CHONDRICHTHYES, ELASMOBRANCHII) IN THE PERMIAN PATLANOAYA FORMATION, PUEBLA, MEXICO von SOUR-TOVAR, FRANCISCO, QUIROZ-BARROSO, SARA A, APPLEGATE, SHELTON P

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