Coleoidea - Wikipedia
Coleoidea[1][2] 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).
蛸亚纲 - 百度百科
蛸亚纲（Coleoidea），又称 二鳃亚纲，属于 软体动物门 头足纲。 八腕目 (octopoda)：例如 章鱼 、 船蛸 (Argonauta)、水母蛸(Amphitretus)等。 幽灵蛸目 (Vampyromorphida)： 吸血鬼乌贼 (Vampyroteuthis)活化石，又称 幽灵蛸。 最古老的蛸亚纲来自约于3亿3000万年前石炭纪的早石炭世，他们中的一些被归入血箭石目 (Hematitida)。 也有发现一些属于泥盆纪的 化石。 到了石炭纪，蛸亚纲已经有多样的形态。 虽然这些类别传统上都分类为箭石下纲，但它们的分别明显显 …
2.4 Coleoidea - Digital Atlas of Ancient Life
With 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 clade.
Anatomy and evolution of the first Coleoidea in the Carboniferous …
2019年7月31日 · 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...
coleoids - Encyclopedia of Life
Coleoidea (Coleoids) is a subclass of cephalopods. There are 935 species of Coleoids, in 189 genera and 51 families. EOL has data for 7 attributes, including:
the squid, cuttlefish and octopus - PALAEONTOLOGY[online]
Ranging from the tiny but highly venomous blue-ringed octopus (Hapalochlaena) to the largest invertebrates on the planet, the giant and colossal squids (Architeuthis and Mesonychoteuthis respectively), coleoids are the dominant cephalopods in modern oceans.
Mesozoic origin of coleoid cephalopods and their abrupt shifts …
2022年1月1日 · 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.
Anatomy and evolution of the first Coleoidea in the Carboniferous
2019年7月31日 · 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...
Systematics of Cephalopods - SpringerLink
2017年3月28日 · Cephalopoda is an extremely diverse class of mollusks that has been evolving since the Cambrian. The extant lineages arose in the late Silurian and diverged into Nautiloidea and Coleoidea in the mid-Palaeozoic. Nautiloidea is represented by a handful of Recent...
Anatomy and evolution of the first Coleoidea in the Carboniferous
2019年7月31日 · 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 conch (ectocochleate).