206:
381:- a right femur, the proximal end of a humerus, two dorsal vertebrae, posterior caudal vertebrae, dorsal ribs and a possibly fragmentary element of the sternum, other fragmented caudal vertebrae and indeterminate bones.
530:
296:
352:
fossils. Marinovic & Lahsen (1984) suggested the age of the Tolar
Formation to be 100.5-68 Ma or 100.5-65.5 Ma, based on the age of the underlying
535:
540:
525:
436:
Vargas, A.; Kellner, A. W. A.; Diaz, G. C.; Rubilar, D.; Soares, M (2000). "New sauropod dinosaur from the
Atacama desert, northern Chile".
348:
age, although it has since been suggested that the Tolar
Formation may have been exclusively Late Cretaceous in age due to the presence of
585:
545:
590:
575:
161:
168:
414:
Maksaev, V. (1978). "Cuadrángulo
Chitigua y sector occidental del cuadrángulo Cerro Palpana, Región de Antofagasta".
509:
Marinovic, S. and Lahsen, A. (1984). Hoja Calama. Carta Geol. Chile No. 58, Serv. Nac. Geol. Min, Santiago, p. 140.
555:
307:. During the expedition, they discovered the deposits of the Tolar Formation, located about 150 km north of
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570:
565:
295:
fossils in Chile, Chilean and
Brazilian researchers mounted a preliminary expedition that was organized by the
560:
359:
It has also been assumed that the Tolar
Formation may have instead been laid down around 109 Ma, during the
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324:
145:
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In July 2001, a second expedition was organized and with this, the Tolar
Formation was excavated and the
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550:
267:
108:
353:
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221:
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The exact age of the Tolar
Formation is unknown, but it is likely that the Tolar Formation is of
304:
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474:
364:
341:
259:
225:
519:
308:
65:
27:
479:
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40:
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183:
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149:
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34:
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80:
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60:
55:
45:
141:
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remains are among the known fossils recovered from this formation.
271:
211:
458:
Kellner, A. W. A.; Rogers, D. R.; Vargas, A.; Suárez, M. (2011).
460:"A new titanosaur sauropod from the Atacama Desert, Chile"
288:
The Tolar
Formation was first defined by Maksaev (1978).
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291:In February 2000, with the purpose of looking for
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8:
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297:Chilean National Museum of Natural History
18:
478:
467:Anais da Academia Brasileira de Ciências
397:
7:
531:Cretaceous System of South America
438:Journal of Vertebrate Paleontology
14:
204:
480:10.1590/S0001-37652011000100011
387:indet. - indeterminate remains.
536:Early Cretaceous South America
332:remains were also discovered.
311:town and 50 km east from
128:Up to 1 km (0.62 mi)
1:
541:Late Cretaceous South America
526:Geologic formations of Chile
16:Geologic formation in Chile
607:
301:National Museum of Brazil
26:
416:Carta Geológica de Chile
586:Conglomerate formations
546:Paleocene South America
378:Atacamatitan chilensis
325:Atacamatitan chilensis
591:Sandstone formations
336:Age of the formation
268:geological formation
109:Geological formation
576:Maastrichtian Stage
184:21.9541°S 68.7259°W
180: /
28:Stratigraphic range
350:non-avian dinosaur
328:and indeterminate
305:Antofagasta Region
189:-21.9541; -68.7259
252:
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598:
556:Cenomanian Stage
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365:Early Cretaceous
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33:100.5–65.5
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571:Campanian Stage
566:Coniacian Stage
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342:Late Cretaceous
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260:Late Cretaceous
256:Tolar Formation
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22:Tolar Formation
17:
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5:
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561:Turonian Stage
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473:(1): 211–219.
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354:Arca Formation
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240:Victor Maksaev
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226:Atacama Desert
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119:Arca Formation
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315:copper mine.
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581:Danian Stage
551:Albian Stage
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290:
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255:
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245:Year defined
232:Type section
222:Conchi Viejo
146:conglomerate
303:heading to
270:located in
187: /
162:Coordinates
520:Categories
392:References
385:Dinosauria
371:Paleofauna
175:68°43′33″W
172:21°57′15″S
489:0001-3765
418:(31): 55.
346:Paleocene
264:Paleocene
150:sandstone
133:Lithology
125:Thickness
115:Underlies
497:21437382
330:dinosaur
320:holotype
299:and the
293:Mesozoic
278:Dinosaur
237:Named by
156:Location
363:of the
313:El Abra
284:History
200:Country
142:Breccia
138:Primary
495:
487:
444:: 75A.
361:Albian
309:Calama
266:-aged
218:Extent
209:
463:(PDF)
272:Chile
258:is a
212:Chile
493:PMID
485:ISSN
344:and
254:The
248:1978
148:and
105:Type
41:PreꞒ
475:doi
322:of
274:.
262:to
522::
491:.
483:.
471:83
469:.
465:.
450:^
442:20
440:.
424:^
400:^
367:.
356:.
224:,
144:,
91:Pg
35:Ma
30::
499:.
477::
96:N
86:K
81:J
76:T
71:P
66:C
61:D
56:S
51:O
46:Ꞓ
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