Chitinotax - ct_main - Ancyrochitininae Chitinotax - ct_main - Ancyrochitininae

Ancyrochitininae

NB This site is under active development


Classification: ct_main -> Lagenochitinidae -> Ancyrochitininae
Sister taxa: Lagenochitininae, Cyathochitininae, Pellichitininae, Urochitininae, Angochitininae, Ancyrochitininae
Daughter taxa (time control age-window is: 0-800Ma)Granddaughter taxa
Ancyrochitina
conical to ovoid body bearing a crown of nonanastomosed processes erected from the margin.
Ancyrochitina aculeata
Ancyrochitina alaticornis
Ancyrochitina alhajrii
Ancyrochitina ancyrea
Ancyrochitina angustata
Ancyrochitina ansarviensis
Ancyrochitina arirambaense
Ancyrochitina arkonensis
Ancyrochitina asterigis
Ancyrochitina aurita
Ancyrochitina aymestreyensis
Ancyrochitina barbescens
Ancyrochitina batidoriformis
Ancyrochitina biconstricta
Ancyrochitina bifurcaspina
Ancyrochitina bojnourdensis
Ancyrochitina bornholmensis
Ancyrochitina brevicollis
Ancyrochitina brevicornuta
Ancyrochitina brevispinosa
Ancyrochitina bullispina
Ancyrochitina camilliae
Ancyrochitina cantabrica
Ancyrochitina clathrospinosa
Ancyrochitina columella
Ancyrochitina convexa
Ancyrochitina corniculans
Ancyrochitina cornigera
Ancyrochitina deltoidea
Ancyrochitina desmea
Ancyrochitina diabolus
Ancyrochitina digitata
Ancyrochitina dunensis
Ancyrochitina effusa
Ancyrochitina ellisbayensis
Ancyrochitina erichseni
Ancyrochitina exilis
Ancyrochitina faraghanensis
Ancyrochitina fatemae
Ancyrochitina flexuosa
Ancyrochitina florentini
Ancyrochitina floris
Ancyrochitina fragilis
Ancyrochitina frankeli
Ancyrochitina fruticosa
Ancyrochitina gogginensis
Ancyrochitina gonzali
Ancyrochitina gordita
Ancyrochitina gumersinda
Ancyrochitina gutnica
Ancyrochitina hamiltonensis
Ancyrochitina iranensis
Ancyrochitina javieri
Ancyrochitina kutasii
Ancyrochitina laevaensis
Ancyrochitina laithia
Ancyrochitina langei
Ancyrochitina latipes
Ancyrochitina lemniscata
Ancyrochitina lezaisensis
Ancyrochitina libyensis
Ancyrochitina longifilosa
Ancyrochitina longispina
Ancyrochitina maacki
Ancyrochitina merga
Ancyrochitina minor
Ancyrochitina moldavica
Ancyrochitina morzadeci
Ancyrochitina mullinsi
Ancyrochitina multibrachiata
Ancyrochitina multiramosa
Ancyrochitina narcissa
Ancyrochitina obesa
Ancyrochitina ollivierae
Ancyrochitina onniensis
Ancyrochitina pachycerata
Ancyrochitina palma
Ancyrochitina parafragilis
Ancyrochitina paranaensis
Ancyrochitina parisi
Ancyrochitina paulaspina
Ancyrochitina pedavis
Ancyrochitina persica
Ancyrochitina pilosa
Ancyrochitina pitingaense
Ancyrochitina plurispinosa
Ancyrochitina porrectaspina
Ancyrochitina preyi
Ancyrochitina prima
Ancyrochitina primitiva
Ancyrochitina pura
Ancyrochitina ramosaspina
Ancyrochitina regularis
Ancyrochitina reticulata
Ancyrochitina rumbaensis
Ancyrochitina sansalvadorensis
Ancyrochitina silicensis
Ancyrochitina simplex
Ancyrochitina spinaperaea
Ancyrochitina striata
Ancyrochitina taouratinensis
Ancyrochitina tomentosa
Ancyrochitina tubulosa
Ancyrochitina tumida
Ancyrochitina udayanensis
Ancyrochitina valladolitana
Ancyrochitina vanoyenii
Ancyrochitina varispinosa
Ancyrochitina vikiensis
Ancyrochitina zagrosiensis
Ancyrochitina zakeenensis
Ancyrochitina sp.

Clathrochitina
conical body and a crown of anastomosed processes covered with a membrane erected from the margin.

Plectochitina
ovoid to conical body; crown of cell-like processes, anastomosed or not, extending from a rounded margin.

Alpenachitina
three distinct horizontal crowns of processes.
Alpenachitina crameri
Alpenachitina eisenacki
Alpenachitina matogrossensis
Alpenachitina ontariensis
Alpenachitina petrovinensis
Alpenachitina sp.

Sommerochitina
sub cylindrical to club-like body; laciniated short carina expanding anteaperturalward into spines.
Sommerochitina langei
Sommerochitina sp.

Taxonomy

Citation: Ancyrochitininae Paris, 1981
Taxonomic rank: subfamily
Basionym: Ancyrochitininae Paris, 1981
Type species: Genus Ancyrochitina

Catalog entries: Ancyrochitininae

Original description: Diagnosis: Ornamented Lagenochitinidae (spines or hairs may be present on the neck and the vesicle); aboral margin rounded, forming an acute angle and bearing simple or branched appendages, which may or may not be anastomosed; mucron absent; chains very fragile.

Distinguishing features:
Parent taxon (Lagenochitinidae): flexure conspicuous
This taxon: processes

NB These concise distinguishing features statements are used in the tables of daughter-taxa to act as quick summaries of the differences between e.g. species of one genus.
They are being edited as the site is developed and comments on them are especially welcome.

Description

Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): at top of Devonian Period (100% up, 359.3Ma, in Early Carboniferous stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Middle Ordovician Epoch (458.18-471.26Ma, base in Dapingain stage). Data source: Total of ranges of species in this database

Plot of occurrence data:
NB The ranges given for genera and higher taxa are the total ranges of species included in that taxon in this database - so the true total range of the taxon will usually be longer

References:

Paris, F. (1981a). Les Chitinozoaires dans le Paléozoïque du Sud-Ouest de l'Europe: Cadre géologique, étude systématique, biostratigraphie. Memoires de la Societe Geologique et Mineralogique de Bretagne. 26: 1-412. gs


logo

Ancyrochitininae compiled by the Sonia Camino, viewed: 18-7-2026

Taxon Search:
Advanced Search

Short stable page link: https://mikrotax.org/Chitinotax/index.php?id=160004 Go to Archive.is to create a permanent copy of this page - citation notes



Add Comment

* Required information
Captcha Image

Comments

No comments yet. Be the first!