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Re: Tholodus (Triassic ichthyopterygian) found in Russia (free pdf)
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- Subject: Re: Tholodus (Triassic ichthyopterygian) found in Russia (free pdf)
- From: Ben Creisler <email@example.com>
- Date: Fri, 23 Oct 2015 12:32:00 -0700
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Here's what I have able to find so far depicting the Russian Tholodus fossils:
Maxim Savvich Arkhangelsky, Nikolay Zverkov, Nikolay Zverkov & Igor
On the first authentic discovery of representative of the genus
Tholodus (REPTILIA: ICHTHYOPTERYGIA) in Russia. [in Russian]
Conference: Problems of paleoecology and historical geoecology.
All-Russian scientific conference dedicated Professor Vitaly
Georgievich Ochev, At Saratov, Russia : 64-66
Tholodus is rare ichthyosaur with durophagous dentition, until
recently known only from the Anisian deposits of Western Europe.
Finding of Tholodus remains in the Anisian deposits (Karazinskaya
suite formation) of Primorsky Kray significantly expands our
understanding of the area of distribution of these reptiles and
confirms previously suggested assumption of their wide geographical
distribution during the Anisian time.
On Fri, Oct 23, 2015 at 12:01 PM, Ben Creisler <email@example.com> wrote:
> Ben Creisler
> A recent paper not yet mentioned:
> Yu. D. Zakharov , M. S. Arkhangelsky, N. G. Zverkov, I. V. Borisov &
> A. M. Popov (2015)
> Age of beds with ichthyosaur Tholodus in South Primorye.
> Russian Journal of Pacific Geology 9(5): 390-397
> DOI: 10.1134/S1819714015050073
> Free pdf:
> A jaw fragment of the rare ichthyosaur Tholodus is found for the first
> time in the Middle Triassic deposits of the Karazin Formation (South
> Primorye, Russian Far East). An analysis of the cephalopod systematics
> (Acrochordiceras kiparisovae Zharnikova, A. korobkovi Zharnikova,
> Acrochordiceras kiparisovae (Zharnikova), Stenopopanoceras? russkiense
> sp. nov., Parasturia primorica sp. nov., and Atractites sp. indet.)
> from the Tholodus-bearing unit of the Karazin Formation shows that
> they correspond to the complex of the middle Anisian (Acrochordiceras
> kiparisovae zone). New ammonoid species from the families
> Parapopanoceratidae and turiidae are described.
> NOTE: The jaw fragments are not depicted so they may be described
> elsewhere. I'll see if I can find a ref.