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Studies of "coleoidea"
National Center for Biotechnology Information
The first gladius-bearing coleoid cephalopods from the lower Toarcian ...
The fossil record of gladius-bearing coleoids is scarce and based only on a few localities with geological horizons particularly favourable to their preservation (the so-called Konservat-Lagerstätten), which naturally leads to strongly limited data on
Auteur: Romain Jattiot, Nathalie Coquel-Pou…
Gepubliceerd: 2024
Publication: PeerJ. 2024; 12: e16894.
ResearchGate
Gene rearrangements in the mitochondrial genome of Eucleoteuthis luminosa (Ommastrephidae, Cephalopoda) and phylogenetic implications for Coleoidea
The complete mitochondrial genome provides crucial information for comprehending gene rearrangement, molecular evolution, and phylogenetic analysis. Here, we have determined the complete mitogenome sequence of Eucleoteuthis luminosa for the first time.
Auteur: Liyi Pei, Lihua Jiang, Chunyan Chen…
Gepubliceerd: 2023/06/08
DOI: 10.1007/s10750-023-05263-x
Cell Press
https://www.cell.com/current-biology/fulltext/S0960-9822(23)01172-7
Evolution of cephalopod nervous systems: Current …
WEBThere are only two clades of extant cephalopods: the Nautilidae and the Coleoidea (Figure 1B). Nautilidae consists of just two living genera: Allonautilus and Nautilus. Many coleoid innovations are absent in the nautiloids, which have a true external shell, as well as a …
Swiss Journal of Palaeontology
https://sjpp.springeropen.com/articles/10.1186/s13358-023-00285-3
‘Arm brains’ (axial nerves) of Jurassic coleoids and the evolution of ...
WEBWe discuss some hypotheses reflecting on possible evolutionary drivers behind the neuroanatomical differentiation of the coleoid arm crown. We also propose some …
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Swiss Journal of Palaeontology
https://sjpp.springeropen.com/articles/10.1186/s13358-024-00307-8
Orthoceratoid and coleoid cephalopods from the Middle Triassic …
WEBColeoidea. Orthoconic cephalopods are subordinate, but persistent, widespread and regionally abundant components of Triassic marine ecosystems. Here, we describe …
Swiss Journal of Palaeontology
https://sjpp.springeropen.com/articles/10.1186/s13358-024-00303-y
Simoniteuthis, a new vampyromorph coleoid with prey in its arms …
WEBIt is widely accepted that five arm pairs is a plesiomorphic feature within the Coleoidea (e.g., Klug et al., 2019). Simoniteuthis michaelyi n. gen. n. sp. exhibits four arm pairs; …
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Are nautiloids a coleoid?
Nautilidae consists of just two living genera: Allonautilus and Nautilus. Many coleoid innovations are absent in the nautiloids, which have a true external shell, as well as a pinhole eye, and dozens of digital tentacles that lack suckers. The earliest known cephalopods date from the Cambrian, and like nautiloids have an external, chambered shell.
Evolution of cephalopod nervous systems: Current Biology - Cell Press
cell.com
Where are coleoid teleost fish preserved?
The coleoid cephalopod is preserved with parts of the soft tissues and the fossilized ink. Teleost fish remains are preserved in the head–arm complex and are identified as Leptolepis sp. indet., a widely distributed genus in the Luxembourg Toarcian (Delsate, 1999 ).
Simoniteuthis, a new vampyromorph coleoid with prey in its arms from
sjpp.springeropen.com
Are coleoid cephalopods the same as octopods?
In contrast, coleoid cephalopods are a diverse group found throughout the world’s oceans. Although the shell has been completely lost in some octopods, the shell gland gives rise to the internal pen of gladius squids, as well as the cuttlebone of cuttlefish.
Evolution of cephalopod nervous systems: Current Biology - Cell Press
cell.com
Did Nautilus and coleoids have brains?
Regardless of the precise date, it is clear that the shared features of the brains of nautilus and coleoids existed 100 million years before the first tetrapods and 230 million years before the first dinosaurs.
Evolution of cephalopod nervous systems: Current Biology - Cell Press
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Springer
https://link.springer.com/article/10.1007/s10750-023-05263-x
Gene rearrangements in the mitochondrial genome of
WEBGene rearrangements in the mitochondrial genome of Eucleoteuthis luminosa (Ommastrephidae, Cephalopoda) and phylogenetic implications for Coleoidea Primary …
National Center for Biotechnology Information
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10903354
The first gladius-bearing coleoid cephalopods from the lower …
WEBIt consists of two gladius-bearing coleoid specimens (M486_2024.1.1 and M486_2024.1.2) preserved as compressions on slabs, which are housed in the paleontological …
SAGE Journals
https://journals.sagepub.com/doi/abs/10.1177/03009858231186306
A retrospective study of pathologic findings in cephalopods …
WEBSemelparity-associated death in Coleoidea species was identified in 22.4% of octopuses, 11.5% of cuttlefish, and 6.1% of squid. This report aims to provide an overview and …
Zurich Open Repository and Archive
https://www.zora.uzh.ch/id/eprint/259124
Orthoceratoid and coleoid cephalopods from the Middle Triassic …
WEBThey can be assigned to two major but unrelated lineages, the Coleoidea and the Orthoceratoidea. The orthoceratoids belong to Trematoceras elegans (Münster, 1841) …
ResearchGate
https://www.researchgate.net/publication/371411536_Gene_rearrange…
Gene rearrangements in the mitochondrial genome of …
WEBGene rearrangements in the mitochondrial genome of Eucleoteuthis luminosa (Ommastrephidae, Cephalopoda) and phylogenetic implications for Coleoidea. June …
Wiley Online Library
https://onlinelibrary.wiley.com/doi/abs/10.1002/spp2.1511
A new vampyromorph species from the Middle Jurassic La …
WEBEight coleoid genera have so far been described from the Callovian-aged La Voulte-sur-Rhône Lagerstätte (c. 165 Ma; Ardèche, France), a locality noted for its unique three …
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