nev refs in Rev. Esp. de Paleont. and J. of Stratigraphy

[Jose Ignacio Ruiz-Omeñaca <jigruiz@unizar.es>]

New refs:

Pereda Suberbiola, X., Galton, P. M., Torcida, F., Huerta, P., Izquierdo, L. 
A., Montero, D., Pérez, G. and Urién, V. 2003. First stegosaurian remains from 
the Early Cretaceous of Burgos (Sapin), with a review of Cretaceous stegosaurs. 
Revista Española de Paleontología, 18(2), 143-150.

Describes a dorsal vertebra and a partial dermal plate from the 
Hauterivian-Barremian of Aldea del Pinar. It is the third locality whit 
stegosaur remains in the Cretaceous of the Iberian Peninsula.

----------------------------
Journal of Stratigraphy has 3 dinosaur-related papers:

Zhang Y.-G and Li J.-J. 2003. Sratygraphy of the Mamenchisaurus fauna in 
Jingyan, Sichuan. Journal of Stratigraphy [Dicengxue Zazhi], 24(1), 50-53 (in 
chinese with <small> english abstract).

Table 2 (in chinese) places eight species of Mamenchisaurus in four 
stratigraphical positions (¿Callovian, Oxordian, Kimmeridgiean and Tithonian?)

- - - - - - - - - - - -
Wang, W., Zhang, H., Zhang, L., Zheng, S., Yang, F., Li, Z. and Zheng, Y. 2003. 
Stratigraphyc sequence of the Yixian formation of Yixian-Beipaio region, 
Liaoning. A study and spablishment of stratotype of the Yixian Stage. Journal 
of Stratigraphy [Dicengxue Zazhi], 24(3), 227-2232 (in chinese with english 
abstract), includes geological map).

>From the english abstract:

"The main depositional layers (Jianshangou and Shangyuan Beds) containing 
primitive birds in the Sihetun area of Beipiao may be correlated with the 
Zhuanchengzi Bed in the Yixian region."

In the geological map, Zhuanchengzi Bed is Upper Jurassic.

I prefer to consider the Yixian Formation as Upper Hauterivian-Barremian 
following Zhou, Barrett & Hilton (2003, Nature, 421, 807-814).

- - - - - - - - - - - -
Shen, Y., Chen, P. and Huang, D. 2003. Age of fossil conschostracans from 
Daohugou of Ningcheng, Inner Mongolia. [Dicengxue Zazhi], 24(4), 311-313 (in 
chinese with english abstract).

Following this paper, Daohugou village (Epidendrosaurus ningchengensis´ 
locality) is Bajocian-middle Bathonian (middle Jurassic), and is correlative 
whit the Julongshang Formation of northern Hebei.

This contrasts whit the results of Zhang and Zhang 2003, who places Daohugou 
Formation in the Upper Jurassic. I have not the paper, but the abstract is 
avalaible online:

http://www.maik.rssi.ru/cgi-bin/search.pl?type=abstract&name=paleng&number=4&year=3&page=409

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J. Zhang and H. Zhang. 2003. Two New Species of Archisargids (Insecta: Diptera: 
Archisargidae) from the Upper Jurassic Daohugou Formation (Inner Mongolia, 
Northeastern China). Paleontological Journal, 37(4), 409-412.

Abstract-Two new species of Mesosolva Hong, 1983 and Archirhagio Rohd., 1938 
are described and the taxonomic position of these genera is reviewed. The age 
of the Daohugou Formation (Inner Mongolia, China) is discussed.

Key words: Diptera, Archisargidae, China, Upper Jurassic, Daohugou Formation, 
new species.
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-------------------------
Jose Ignacio Ruiz-Omeñaca
Departamento de Ciencias de la Tierra
Area de Paleontologia
Universidad de Zaragoza
E-50009 ZARAGOZA, SPAIN

tel: (+34) 976 761000 ext. 3160
fax: (+34) 976 761106
e-mail: jigruiz@unizar.es
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