Morphology, ontogeny and phenotypic plasticity of the microcrinoid<i> Treocrinus</i> from theT"rebotov Limestone (Devonian, Daleje-T"rebotov Formation; Barrandian area, Czech Republic)

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41330%2F25%3A103337" target="_blank" >RIV/60460709:41330/25:103337 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.3140/bull.geosci.1918" target="_blank" >https://doi.org/10.3140/bull.geosci.1918</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3140/bull.geosci.1918" target="_blank" >10.3140/bull.geosci.1918</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Morphology, ontogeny and phenotypic plasticity of the microcrinoid<i> Treocrinus</i> from theT"rebotov Limestone (Devonian, Daleje-T"rebotov Formation; Barrandian area, Czech Republic)

Popis výsledku v původním jazyce

New data on morphology, ontogeny, phenotypic plasticity and mode of life of the microcrinoid Treocrinus ericius from the T & rcaron;ebotov Limestone are discussed. The aboral cup shape variations from the barrel-to the bowl-shaped and the ontogenetic sequence of radial facets are presented. Some specimens were likely stemless to the adult stage, and their cup bases were directly fitted to a holdfast. The irregularity of cup shape is explained by different habitats. Individuals in the restricted, likely cryptic habitat lacked the stem. They had low barrel like cups, whereby while those in more spaced microhabitat formed higher bowl shaped cups. Examination of 160 specimens indicate that bowl shaped cup represents a prevalent form of a theca. The aboral articular facet of bowl shaped specimens keep a distinct lumen, a narrow crenularium and a shallow areola that confirm a development of a column in part of the population. The species achieved the maximum occurrence in the upper part of the T & rcaron;ebotov Limestone (Daleje-T & rcaron;ebotov Formation) near the Emsian-Eifelian boundary. Abundance of the Treocrinus and other microcrinoids, and abundance of associated invertebrates in the T & rcaron;ebotov Limestone clearly contrast with the invertebrate diversity after the Chote & ccaron; Event near the base of the Chote & ccaron; Formation.

Název v anglickém jazyce

Morphology, ontogeny and phenotypic plasticity of the microcrinoid<i> Treocrinus</i> from theT"rebotov Limestone (Devonian, Daleje-T"rebotov Formation; Barrandian area, Czech Republic)

Popis výsledku anglicky

New data on morphology, ontogeny, phenotypic plasticity and mode of life of the microcrinoid Treocrinus ericius from the T & rcaron;ebotov Limestone are discussed. The aboral cup shape variations from the barrel-to the bowl-shaped and the ontogenetic sequence of radial facets are presented. Some specimens were likely stemless to the adult stage, and their cup bases were directly fitted to a holdfast. The irregularity of cup shape is explained by different habitats. Individuals in the restricted, likely cryptic habitat lacked the stem. They had low barrel like cups, whereby while those in more spaced microhabitat formed higher bowl shaped cups. Examination of 160 specimens indicate that bowl shaped cup represents a prevalent form of a theca. The aboral articular facet of bowl shaped specimens keep a distinct lumen, a narrow crenularium and a shallow areola that confirm a development of a column in part of the population. The species achieved the maximum occurrence in the upper part of the T & rcaron;ebotov Limestone (Daleje-T & rcaron;ebotov Formation) near the Emsian-Eifelian boundary. Abundance of the Treocrinus and other microcrinoids, and abundance of associated invertebrates in the T & rcaron;ebotov Limestone clearly contrast with the invertebrate diversity after the Chote & ccaron; Event near the base of the Chote & ccaron; Formation.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

Projekt

<a href="/cs/project/GA23-06198S" target="_blank" >GA23-06198S: Reakce středněpaleozoických faunistických společenstev na významné změny prostředí: studie Mulde, Lau a Chotečského eventu v pražské pánvi</a><br>

Návaznosti

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

Rok uplatnění

2025

Kód důvěrnosti údajů

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

Název periodika

Bulletin of Geosciences (printed version)

ISSN

1214-1119

e-ISSN

1214-1119

Svazek periodika

100

Číslo periodika v rámci svazku

2025

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

14

Strana od-do

123-136

Kód UT WoS článku

001538882700002

EID výsledku v databázi Scopus

2-s2.0-105011739465