Quebrada del Tapón tracksite: Late/Upper Maastrichtian, Argentina
collected by R. N. Alonso 1985
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Reptilia indet.
Laurenti 1768
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| trackway | ||||||||||
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Yacoraitichnus avis n. gen., n. sp.
Alonso and Marquillas 1986
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Salfitichnus mentoor n. gen., n. sp.
Alonso and Marquillas 1986
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| trackway | ||||||||||
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Telosichnus saltensis n. gen., n. sp.
Alonso and Marquillas 1986
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| nomen dubium belonging to Ornithopoda | ||||||||||
| trackway | ||||||||||
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Taponichnus donottoi n. gen., n. sp.
Alonso and Marquillas 1986
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| nomen dubium belonging to Ornithopoda | ||||||||||
| trackway | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Salta | County: | San Carlos |
| Coordinates: | 25.5° South, 66.0° West (view map) | ||||
| Paleocoordinates: | 28.0° South, 52.6° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| *Period: | Late/Upper Cretaceous | ||
| Key time interval: | Late/Upper Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Salta | Formation: | Yacoraite | Member: | Complejo Don Otto |
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "Seccion Verde" near top of formation, 10 m below Mealla Fm contact | |||||
Lithology and environment
| Primary lithology: | desiccation cracks,wave ripples,bioturbation,micaceous,gray,white sandstone |
| Includes fossils? | Y |
| Lithology description: "fine micaceous arenites, friable, with gray, white, and ochre yellow colors, thin intercalations of green lutites." Uranium-bearing. The track beds are "very fine-grained sandstones, yellowish gray, some 'limonitizadas' and intercalations of green pelites, abundant ripples and dessication cracks" | |
| Environment: | paralic indet. |
| Geology comments: "coastal area with periodically flooded beaches" | |
Taphonomy
| Modes of preservation: | trace |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Associated major elements: | many |
| Disassociated major elements: | some |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection excludes: | some macrofossils | ||
| Collection methods: | surface (in situ),field collection,observed (not collected) | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | R. N. Alonso | Collection dates: | 1985 |
| Collection method comments: "Remains of fishes and crocodiles as well as dinosaur footprints are known from this site." | |||
Metadata
| Also known as: | Leonardi locality 94 | ||
| Database number: | 13306 | ||
| Authorizer: | J. Hunter, M. Carrano | Enterer: | J. Hunter, M. Carrano |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2002-02-20 11:55:35 | Last modified: | 2021-04-15 10:02:58 |
| Access level: | the public | Released: | 2002-02-20 11:55:35 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6049. | R. N. Alonso and R. A. Marquillas. 1986. Nueva localidad con huellas de dinosaurios y primer hallazgo de huellas de aves en la Formacion Yacoraite (Maastrichtiano) del norte Argentino [A new locality with dinosaur eggs and the first discovery of avian footprints in the Yacoraite Formation (Maastrichtian) of northern Argentina]. IV Congreso Argentino de Paleontologia y Biostratigrafia, Actas 2:33-41 [J. Hunter/J. Hunter/M. Carrano] |
Secondary references:
| 5978 | 5% 21040 | R. N. Alonso. 1989. Late Cretaceous dinosaur trackways in northern Argentina. In D. D. Gillette and M. G. Lockley (eds.), Dinosaur Tracks and Traces. Cambridge University Press, Cambridge 223-228 [M. Carrano/M. Carrano/M. Carrano] |
| 4423 | 5% 19300 | L. M. Chiappe. 1991. Cretaceous birds of Latin America. Cretaceous Research 12(1):55-63 [J. Hunter/J. Hunter/J. Hunter] |
| 76344 | C. Cónsole-Gonella, S. de Valais, R. A. Marquillas and M. Cristina Sánchez. 2017. The Maastrichtian–Danian Maimará tracksite (Yacoraite Formation, Salta Group), Quebrada de Humahuaca, Argentina: environments and ichnofacies implications. Palaeogeography, Palaeoclimatology, Palaeoecology 468:327-350 [M. Carrano/M. Carrano] | |
| 76309 | S. De Valais, C. Cónsole-Gonella, and I. Díaz-Martínez. 2016. Registro de huellas avianas en la Formación Yacoraite (Maastrichtiano–Daniano), NOA, Argentina [Record of avian footprints in the Yacoraite Formation (Maastrichtiano–Daniano), NOA, Argentina]. Reunión de Comunicaciones Asociación Paleontológica Argentina. Libro de Resúmenes. Ameghiniana 53(4 (suppl.)):15 [M. Carrano/M. Carrano/M. Carrano] | |
| 32443 | ETE | E. Jaillard, H. Cappetta, P. Ellenberger, M. Feist, N. Grambast-Fessard, J. P. Lefranc, and B. Sigé. 1993. Sedimentology, palaeontology, biostratigraphy and correlation of the Late Cretaceous Vilquechico Group of southern Peru. Cretaceous Research 14:623-661 [M. Carrano/M. Carrano/M. Carrano] |
| 14677 | ETE | G. Leonardi. 1994. Annotated Atlas of South America Tetrapod Footprints (Devonian to Holocene) with an Appendix on Mexico and Central America. . República Federativa do Brasil, Ministério de Minas e Energia, Secretaria de Minas e Metalurgia, Companhia de Pesquisa de Recursos Minerais, Brasília 1-248 [M. Carrano/K. Maguire/E. Dunne] |