ammonites
Khovboor (Cretaceous to of Mongolia)

Also known as Guchin Us Somon; Khoobur; Khobur; Khoboor; Hobur; Höövör; Khoboor

Where: Arvaykher, Mongolia (42.5° N, 102.4° E: paleocoordinates 43.3° N, 99.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dzunbain Formation, Aptian to Aptian (125.5 - 99.6 Ma)

• "Lower Cretaceous (possibly Aptian)" and from the Khukhtekskaya Svita = Dzunbayn = Dzunbain Formation according to Dashzeveg 1975, but "? Aptian or Albian" according to Wible et al. 2001

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

• from illustrated section column in Shuvalov 1974

Size classes: macrofossils, mesofossils

Collected by SMPE (1970s), MAE (1990s) in 1970s, 1991, 1997, 1999; reposited in the PIN

Collection methods: bulk, sieve

• original collections consisted of "About seven tons of sediments... have been washed and screened" and the collection "is housed in the Palaeontological Institute of the USSR Academy of Sciences" under the charge of B. A. Trofimov

Primary reference: V. F. Shuvalov. 1974. O geologicheskom stroenii i vozraste mestonakhozhdenii Khobur i Khuren-Dukh [On the geology and age of the Khobur and Khuren-Dukh localities]. In N. N. Kramarenko, B. Luvsandansan, Yu. I. Voronin, R. Barsbold, A. K. Rozhdestve (eds.), Mesozoic and Cenozoic Faunas and Biostratigraphy of Mongolia; The Joint Soviet-Mongolian Paleontological Expedition, Transactions 1:296-304 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77191: authorized by John Alroy, entered by John Alroy on 28.12.2007, edited by Roger Benson and Matt Carrano

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)