The gladius (pl.: gladii), or pen, is a hard internal bodypart found in many cephalopods of the superorder Decapodiformes (particularly squids) and in...

vestige" or "gladius". The Incirrina have either a pair of rod-shaped stylets or no vestige of an internal shell, and some squid also lack a gladius. The shelled...

refer to: Gladius (cephalopod), a hard internal bodypart found in certain cephalopods Gladius (gastropod), a synonym for a genus of molluscs Gladius (video...

Stinnesbeck, Wolfgang (2021-11-01). "Large-sized gladius-bearing octobrachians (coleoid cephalopods) in the Turonian plattenkalk of Vallecillo, Mexico"...

Cephalopod fins, sometimes known as wings, are paired flap-like locomotory appendages. They are found in ten-limbed cephalopods (including squid, bobtail...

commonly known as cuttlefish, within the cephalopods. In other cephalopod families it is called a gladius. Cuttlebone is composed primarily of aragonite...

Cimolichthys nepaholica, was found with the gladius of T. longa in its gullet. The back portion of the gladius was in the stomach region, while the mouth...

internal skeleton in the form of a rod-like gladius or pen, made of chitin. Squid diverged from other cephalopods during the Jurassic and occupy a similar...

the west Pacific. Syntype (86 cm ML) Closeup of the mantle scales Gladius Cephalopod size Barratt, I.; Allcock, L. (2014). "Lepidoteuthis grimaldii". IUCN...

animals Pen, an adult female swan Gladius (cephalopod), or pen, a hard internal bodypart found in certain cephalopods Pen (Jamaican cattle farm), a historic...

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"...

animals Pen, an adult female swan Gladius (cephalopod), or pen, a hard internal bodypart found in certain cephalopods Pittsburgh Penguins or the Pens,...

evolution with coleoid cephalopods, or an oegospid squid and a transitional form in the development of the modern squid gladius, of which it is the only...

class Cephalopoda with squids, cuttlefish, and nautiloids. Like other cephalopods, an octopus is bilaterally symmetric with two eyes and a beaked mouth...

Rouget, I.; Rowe, A. J.; Moreau, J.-D. (2024). "The first gladius-bearing coleoid cephalopods from the lower Toarcian "Schistes Cartons" Formation of the...

thought to be more closely related to modern octopuses. Examination of gladius remains initially yielded an estimated mantle length about 2 m (6 ft 7 in)...

Fuchs, D.; Stinnesbeck, W. (2021). "Large-sized gladius-bearing octobrachians (coleoid cephalopods) in the Turonian plattenkalk of Vallecillo, Mexico"...

(Vampyroteuthis infernalis, lit. 'vampire squid from hell') is a small cephalopod found throughout temperate and tropical oceans in extreme deep sea conditions...

Proteroctopus is an extinct genus of cephalopod that lived in the Middle Jurassic, approximately 164 million years ago. It is only known from a single...

crabs and lobsters are exuviae. While most seashells are external, some cephalopods have internal shells. Seashells have been used by humans for many different...

contrasts with the later Teuthida which have a reduced living chamber (gladius) throughout. Klaus Bandel, J Reitner, and W Sturmer, 1983. Coleoids from...

retarded while the outer (dorsal) lip grows into a gladius-like proostracum (B.R.&S). Once started, the "gladius" grew rapidly. At a phragmocone of slightly...

2006). "Food and feeding ecology of Northeast Atlantic swordfish ( Xiphias gladius ) off the Bay of Biscay". ICES Journal of Marine Science. 63 (6): 1075–1085...

Belemnitida (or belemnites) is an extinct order of squid-like cephalopods that existed from the Late Triassic to Late Cretaceous. Unlike squid, belemnites...

ossicles. Some coleoid cephalopods (squids and cuttlefish) have an internalized vestigial aragonite/calcite-chitin shell known as gladius or cuttlebone, which...

One species, Todarodes pacificus, comprised around half of the world's cephalopod catch annually. Some members of Ommastrephidae are known for their jet-propelled...

posteriorly, the gladius has elongated-rhomboid vanes and a short, blunt rostrum which is perpendicular to tip of gladius, the gladius is visible beneath...

be essential to shell formation, in the cephalopods at least; the matrix in the non-mineralized squid gladius is basic. In oysters and potentially most...

found in some of the most ancient lineages of bivalves, gastropods, and cephalopods. However, the inner layer in the great majority of mollusc shells is...

Stinnesbeck, Dirk; Wolfgang (November 2021). "Large-sized gladius-bearing octobrachians (coleoid cephalopods) in the Turonian plattenkalk of Vallecillo, Mexico"...