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ColeoideaSubclass of molluscs

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Studies of "coleoidea"
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Mesozoic origin of coleoid cephalopods and their abrupt shifts of diversification patterns
Coleoids are the most diverse group of cephalopod mollusks. While their origin is date during the Mesozoic, the diversification pattern is unknown. However, two hypotheses have been proposed. The first suggests an increasing diversification rate after
Published: 2022/01/01
Cited By: 0
Keywords: Cephalopo…
National Center for Biotechnology Information
Anatomy and evolution of the first Coleoidea in the Carboniferous
Temporally close to the origin of a clade, the number of species and specimens belonging to that clade is often low. In soft-bodied organisms with a low preservation potential, the subsequent number of fossil specimens is often less than a handful hampering
Author: Christian Klug…
Published: 2019
Publication: Commun …
ResearchGate
Anatomy and evolution of the first Coleoidea in the Carboniferous
Coleoidea (squids and octopuses) comprise all crown group cephalopods except the Nautilida. Coleoids are characterized by internal shell (endocochleate), ink sac and arm hooks, while nautilids lack an ink sac, arm hooks, suckers, and have an external
Published: 2019/07/31
DOI: 10.1038/s42003-0…
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Wikipedia
https://en.wikipedia.org/wiki/Coleoidea
Coleoidea - Wikipedia
Coleoidea or Dibranchiata is one of the two subclasses of cephalopods containing all the various taxa popularly thought of as "soft-bodied" or "shell-less" (i.e. octopus, squid and cuttlefish). Unlike its extant sister group Nautiloidea, whose members have a rigid outer shell for protection, the coleoids have … See more
Evolutionary history
The earliest certain coleoids are known from the Mississippian sub-period of the Carboniferous Period, about 330 million years ago. Some older fossils have been described from the Devonian, but paleontologists … See more
Classification
• Class Cephalopoda See more
External links
• CephBase: Coleoidea
• Tree of Life web project: Coleoidea
• "Octopuses Do Something Really Strange to Their Genes" See more
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Nature
https://www.nature.com/articles/s42003-019-0523-2
Anatomy and evolution of the first Coleoidea in the Carboniferous
WEBJul 31, 2019 · Coleoidea (squids and octopuses) comprise all crown group cephalopods except the Nautilida. Coleoids are characterized by internal shell (endocochleate), ink …
- Author: Christian Klug, Neil H. Landman, Dirk Fuchs, Royal H. Mapes, Alexander Pohle, Pierre Guériau, Solenn...
- Publish Year: 2019
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Coleoidea Family Tree
Cephalopoda
Cephalopod Family
Decapodiformes
Dibranchiata
Coleoidea Phylogenetic Trees
Cephalopod Fossil
en.wikipedia.org
Coleoidea - Wikipedia
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Coleoidea - Alchetron, The Free Social Encyclopedia
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Coleoidea | Wiki Animaux | Fandom
digitalatlasofancientlife.org
2.4 Coleoidea - Digital Atlas of Ancient Life
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Coleoidea - Wikipedia
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Coleoidea - EcuRed
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Britannica
https://www.britannica.com/animal/coleoid
Coleoid | cephalopod subclass | Britannica
WEBThe Coleoidea are carnivorous and live principally on other cephalopods, crustaceans, mollusks, and small fishes. In the food cycle of the squid Illex, in which the adults feed …
Digital Atlas of Ancient Life
https://www.digitalatlasofancientlife.org/.…
2.4 Coleoidea - Digital Atlas of Ancient Life
WEBWith the exception of the lone-surviving nautiloids ( Nautilus and Allonautilus ), all living cephalopods--including squids, cuttlefish, and octopuses--belong to the subclass Coleoidea, a truly remarkable animal …
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Living Coleoids
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Where did the Coleoidea come from?
There is a consensus that the Coleoidea derived from the Bactritida either in the Early Devonian 20, 54 or in the Early Carboniferous 1. This is relevant because the Bactritida were supposedly ectocochleate while the endocochleate state is one of the most important autapomorphies (apart from the ink sac) of coleoids.
Anatomy and evolution of the first Coleoidea in the Carboniferous - Nat…
nature.com
How many ctenidia does a coleoids have?
Coleoids have an internal shell (sometimes absent), 8 or 10 circumoral appendages, and a pair of ctenidia ( Jereb et al., 2010, Hanlon et al., 2018 ). These cephalopods have a wide distribution in all oceans – from the poles to the tropics – on continental margins and in oceanic areas ( Hanlon and Messenger, 1996, Jereb and Roper, 2005 ).
Mesozoic origin of coleoid cephalopods and their abrupt shifts of
sciencedirect.com
Are coleoids extinct?
There are two major extant groups of coleoids ( Decapodiformes and Octopodiformes ), and one major extinct group ( Belemnitida, the belemnites ). Coleoids differ significantly from nautiloids, ammonoids, and other extinct cephalopod groups in several respects. Perhaps most importantly, they lack external shells.
2.4 Coleoidea - Digital Atlas of Ancient Life
digitalatlasofancientlife.org
What is the difference between Coleoidea and Belemnoidea?
Subclass Coleoidea (octopuses, squids, belemnites, cuttlefishes) Triassic to present; shell internal, reduced, vestigial, or lacking; 2 sets of gills; 8 or 10 arms, having suckers or hooks. †Order Belemnoidea (belemnites) Triassic to early Cenozoic; fossils only; shell consisting of solid rostrum, small chambered
Coleoid | cephalopod subclass | Britannica
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Wikipedia
https://nl.wikipedia.org/wiki/Coleoidea
Coleoidea - Wikipedia
Overzicht
Superorden
Coleoidea zijn een onderklasse van de Cephalopoda (inktvissen).
Wikipedia · Text under CC-BY-SA license
- Klasse: Cephalopoda (Koppotigen)
- Rijk: Animalia (Dierenrijk)
- Portaal: Biologie
- Stam: Mollusca (Weekdieren)
ScienceDirect
https://www.sciencedirect.com/science/article/pii/S1055790321002645
Mesozoic origin of coleoid cephalopods and their abrupt shifts of ...
WEBJan 1, 2022 · Among cephalopods, the subclass Coleoidea is the most diverse and abundant lineage containing over 800 described species (Hoving et al., 2014, Allcock et …
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Publish Year:2022
Swiss Journal of Palaeontology
https://sjpp.springeropen.com/articles/10.1007/s13358-015-0100-3
The gladiuses in coleoid cephalopods: homology, parallelism, or ...
WEBSep 25, 2015 · Abstract. In the cephalopod subclass Coleoidea, several homology problems exist, mainly owing to unsolved phylogenetic relationships between decabrachian …
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Dirk Fuchs, Yasuhiro Iba
Publish Year:2015
Wikiwand
https://www.wikiwand.com/en/Coleoids
Coleoidea - Wikiwand
WEBSummarize this article for a 10 years old. SHOW ALL QUESTIONS. Subclass Coleoidea, or Dibranchiata, is the grouping of cephalopods containing all the various taxa popularly …
Wikiwand
https://www.wikiwand.com/en/Coleoidea
Coleoidea - Wikiwand
WEBColeoidea or Dibranchiata is one of the two subclasses of cephalopods containing all the various taxa popularly thought of as "soft-bodied" or "shell-less". Unlike its extant sister …
Wikipedia
https://simple.wikipedia.org/wiki/Coleoidea
Coleoidea - Simple English Wikipedia, the free encyclopedia
WEBThe Coleoidea are a group of mollusks making up most of the living cephalopods. Octopus, squid, and cuttlefish are all members of the Coleoidea. They do not have shells on the …
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Coleoidea
Class:Cephalopoda
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