In situ-preservation of jaws in the upper Turonian acanthoceratid ammonite Prionocyclus germari (Reuss, 1845): Palaeobiological and taphonomic aspects

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F24%3A10475830" target="_blank" >RIV/00216208:11310/24:10475830 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=DTPRTvCUaz" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=DTPRTvCUaz</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.cretres.2023.105683" target="_blank" >10.1016/j.cretres.2023.105683</a>

Jazyk výsledku

angličtina

Název v původním jazyce

In situ-preservation of jaws in the upper Turonian acanthoceratid ammonite Prionocyclus germari (Reuss, 1845): Palaeobiological and taphonomic aspects

Popis výsledku v původním jazyce

Cephalopod mandibles are rare in the Bohemian Cretaceous Basin (BCB) of Central Europe, occurring only as isolated jaw elements, the sole exception being a specimen of Yezoites bladenensis found with a lower jaw in situ in the second half of the 19th century. Here, we present a second record, a specimen of the acanthoceratoid ammonite Prionocyclus germari (Upper Cretaceous, upper Turonian). The ammonite preservation shows similarities to ammonoids from Solnhofen-type Lagerstaeurotten, including phosphatised siphuncles, while the flattened ammonite conch is poorly preserved or fully dissolved. The lower jaw of P. germari is referred to the genus Praestriaptychus. Linking the jaw apparatus with an index ammonite taxon of the uppermost Turonian fills a gap in our knowledge of Upper Cretaceous acanthoceratoid ammonite jaw anatomy. The preservation of altered (secondarily carbonised) organic matter has been revealed by Raman spectroscopy analysis at the tip of the aptychus. The associated fauna and flora, consisting of complete crustaceans, fish, chondrichthyans and gymnosperm plant remains, reflect an unusual and unique preservational/taphonomic window within the BCB.

Název v anglickém jazyce

In situ-preservation of jaws in the upper Turonian acanthoceratid ammonite Prionocyclus germari (Reuss, 1845): Palaeobiological and taphonomic aspects

Popis výsledku anglicky

Cephalopod mandibles are rare in the Bohemian Cretaceous Basin (BCB) of Central Europe, occurring only as isolated jaw elements, the sole exception being a specimen of Yezoites bladenensis found with a lower jaw in situ in the second half of the 19th century. Here, we present a second record, a specimen of the acanthoceratoid ammonite Prionocyclus germari (Upper Cretaceous, upper Turonian). The ammonite preservation shows similarities to ammonoids from Solnhofen-type Lagerstaeurotten, including phosphatised siphuncles, while the flattened ammonite conch is poorly preserved or fully dissolved. The lower jaw of P. germari is referred to the genus Praestriaptychus. Linking the jaw apparatus with an index ammonite taxon of the uppermost Turonian fills a gap in our knowledge of Upper Cretaceous acanthoceratoid ammonite jaw anatomy. The preservation of altered (secondarily carbonised) organic matter has been revealed by Raman spectroscopy analysis at the tip of the aptychus. The associated fauna and flora, consisting of complete crustaceans, fish, chondrichthyans and gymnosperm plant remains, reflect an unusual and unique preservational/taphonomic window within the BCB.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10505 - Geology

Projekt

<a href="/cs/project/GC21-30418J" target="_blank" >GC21-30418J: Korelace pozdně křídových sedimentárních archívů severní Sibiře a střední Evropy: záznam skleníkového klimatu vysokých a středních zeměpisných šířek</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Cretaceous Research

ISSN

0195-6671

e-ISSN

1095-998X

Svazek periodika

154

Číslo periodika v rámci svazku

February

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

13

Strana od-do

105683

Kód UT WoS článku

001126040800001

EID výsledku v databázi Scopus

2-s2.0-85178247039