Results 61 to 70 of about 828 (171)

The shell structure and chamber production cycle of the cephalopod Spirula (Coleoidea, Decapodiformes)

open access: yes, 2022
Abstract The coleoid cephalopod Spirula spirula, the only present-day representative of the coleoid order Spirulida, secretes a coiled shell consisting of a series of chambers divided by septa and connected by a siphuncle. It is the shell closest to those of ectochleate cephalopods: nautiloids, ammonoids.
Antonio G. Checa   +6 more
openaire   +1 more source

¿Qué paleontología conviene enseñar? [PDF]

open access: yes, 1981
La enseñanza de la paleontologia se ha visto a menudo reducida a una presentación sistemática delos fósiles, es decir, a un estudio solamente morfológico y de nomenclatura. El momento actual esoportuno para rehabilitar la paleontologia, y esto
Babin, Claude
core   +1 more source

Calcitic skeletons of recent and fossil Coleoidea

open access: yes, 2017
Die calcitischen Rostren der Belemniten, einer ausgestorbenen Coeloideengruppe, sind häufig verwendete geochemische Archive. Trotz dieser weitverbreiteten Anwendung ist ihre Verwendung als Paläoumweltarchive umstritten. Untersuchungen dieser Arbeit zeigen, dass Belemnitendaten kritisch in einem sedimentologisch/paläontologischen Kontext interpretiert ...
openaire   +2 more sources

First record of cuttlefish Sepia (Doratosepion) kobiensis Hoyle, 1885 from the north-west coast of India [PDF]

open access: yes, 2011
Cephalopods are caught mainly as by-catch in the bottom trawl and due to the growing demand for cephalopods in the international market, they are exploited all along the Indian coast.
Sundaram, Sujit
core  

Training Manual Species Identification [PDF]

open access: yes, 2017
This manual has been prepared as a supplementary reference material for the training programme on “Species Identification” conducted as a part of Component – III of Fisheries Management for Sustainable Livelihood (FIMSUL), Phase II, a project supported
Augustine, Sindhu K   +7 more
core  

Cephalopods of the northern Mid-Atlantic Ridge [PDF]

open access: yes, 2009
A two-leg cruise of R/V G. O. Sars in summer of 2004 along the Mid-Atlantic Ridge explored the diversity and distribution patterns of pelagic and non-hydrothermal bottom communities in the vicinity of the northern Mid-Atlantic Ridge.
Piatkowski, Uwe   +2 more
core   +1 more source

Magyarországi harmadidőszaki cephalopodák szisztematikai feldolgozása és paleobiogeográfiai - paleoökológiai kiértékelése = Systematics and paleobiogeographical-paleoecological evaluation of Tertiary cephalopods from Hungary [PDF]

open access: yes, 2008
A magyarországi harmadidőszaki Cephalopodák vizsgálata hasznos és eredményes volt. Számos olyan helyről sikerült fejlábú maradványokat megismerni, ahonnan korábban ezek nem voltak ismertek.
Galácz, András
core  

Non-invasive imaging methods applied to neo- and paleo-ontological cephalopod research [PDF]

open access: yes, 2014
Several non-invasive methods are common practice in natural sciences today. Here we present how they can be applied and contribute to current topics in cephalopod (paleo-) biology.
E. Rybacki   +7 more
core   +1 more source

Research progress in fecundity study of Coleoidea (Cephalopoda) [PDF]

open access: yesMarine Fisheries, 2021
Dongming LIN, Sipeng XUAN, Xinjun CHEN
openaire   +1 more source

First record of Duvalia ex. gr. lata (Cephalopoda, Coleoidea) from Mexico

open access: yesBoletín de la Sociedad Geológica Mexicana, 2013
Here we present the first record of the belemnite Duvalia ex. gr. lata (Cephalopoda, Coleoidea) from Mexico.
Patrick Zell   +3 more
openaire   +1 more source

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