Morphological disparity of early ammonoids

Morphological disparity of early ammonoids: A geometric ...

Here, we investigated the morphological disparity of the Early–Middle Devonian ammonoids of the Moroccan Anti- Atlas by analysing the shape of their whorl ...

Morphological disparity of early ammonoids: A geometric ... - HAL

Morphological disparity of early ammonoids: A geometric morphometric approach to investigate conch geometry. NINON ALLAIRE, SAMUEL GINOT ...

A geometric morphometric approach to investigate conch geometry

Here, we investigated the morphological disparity of the Early–Middle Devonian ammonoids of the Moroccan Anti- Atlas by analysing the shape of ...

app010332022 - Acta Palaeontologica Polonica

Here, we investigated the morphological disparity of the Early Middle Devonian ammonoids of the Moroccan Anti-Atlas by analysing the shape of their whorl ...

(PDF) Morphological disparity of the early ammonoids from Morocco

The analyses are performed at the species level and considering the ammonoid biozonation as temporal scale. Disparity indices (e.g. sum of ...

Morphological Disparity of Ammonoids and the Mark of Permian ...

We analyzed diversity dynam- ics of ammonoids from a distribution of 1965 species ranging from the Late Carboniferous to the Early Triassic. The data are ...

Morphological disparity of early ammonoids: A geometric ... - OpenAlex

Abstract: Fossils of Devonian ammonoids are abundant and well-preserved in the Anti-Atlas of Morocco; as such they provide an invaluable record of regional ...

Morphological disparity of ammonoids and the mark of Permian ...

The taxonomic diversity of ammonoids, in terms of the number of taxa preserved, provides an incomplete picture of the extinction pattern during the Permian ...

Morphological disparity and ontogeny of the endemic heteromorph ...

Many ammonoids, particularly loosely coiled species, have been demonstrated to have a large range of intraspecific variation and are affected by taxonomic ...

Taxonomic diversity and morphological disparity of paleozoic ...

16 Taxonomic Diversity and Morphological Disparity of Paleozoic Ammonoids ... House MR (1981) Early ammonoids in space and time. In: House MR, Senior JR ...

Paleozoic ammonoid ecomorphometrics test ecospace availability ...

Our residual disparity results (Fig. 2G) provide no support for early bursts of ecomorphology following mass extinctions as a driver of ammonoid ...

Fossil Focus: Ammonoids - PALAEONTOLOGY[online]

Conchs from adult ammonoids range from about 5 millimetres to 2 metres in diameter. Due to the large diversity (taxonomic richness), disparity (morphological ...

a study of early Jurassic ammonites - Pascal Neige

Another major active research field concerned with the evolution of form is the study of morphological disparity. (Gould 1989, 1991; Foote 1993a, 1996, 1997; ...

Temporal patterns in disparity and diversity of the Jurassic ...

The two early Toarcian (Early Juras- sic) extinction events in ammonoids. ... Quanti- fication of the morphological disparity of ammonites at the Lias-. Dogger ...

Morphological Disparity of Ammonoids and the Mark of Permian ...

Disparity increased in the Late Carboniferous to Early Permian and remained stable during the first three Permian stages (Fig. 2). During the period from the ...

Morphological disparity and ontogeny of the endemic heteromorph ...

Morphological disparity and ontogeny of the endemic heteromorph ammonite genus Aegocrioceras (Early Cretaceous, Hauterivian, NW-Germany).

Comparing the differential filling of morphospace and allometric ...

... morphological and developmental dynamics of Early Jurassic ammonoids - Volume 37 Issue 3. ... morphological disparity: a study of early Jurassic ammonites.

Temporal patterns in disparity and diversity of the Jurassic ...

The successive Jurassic ammonoid faunas of southern Germany show characteristic patterns in morphospace occupation. While Early and Middle Jurassic ammonoids ...

Temporal patterns in disparity and diversity of the Jurassic ...

While Early and Middle Jurassic ammonoids occupy limited areas of the morphospace range, the Late Jurassic ammonoids cover the entire spectrum.

Morphological disparity and ontogeny of the endemic heteromorph ...

Morphological disparity and ontogeny of the endemic heteromorph ammonite genus Aegocrioceras (Early Cretaceous, Hauterivian, NW-Germany) ; Journal: ...