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Skull roof, the Glossary

Index Skull roof

The skull roof or the roofing bones of the skull are a set of bones covering the brain, eyes and nostrils in bony fishes and all land-living vertebrates.[1]

Table of Contents

  1. 74 relations: Acanthostega, Actinopterygii, Alfred Romer, Amniote, Anapsid, Armour (zoology), Bird, Bone, Brain, Caecilian, Calvaria (skull), Carboniferous, Cartilage, Chondrichthyes, Comparative anatomy, Dermal bone, Dermatocranium, Devonian, Diapsid, Dinosaur, Elpistostege, Embolomeri, Endocranium, Evolution, Evolution of fish, Eye, Frog, Frontal bone, Homology (biology), Human body, Ichthyostega, Intertemporal bone, Jugal bone, Labyrinthodontia, Lacrimal bone, Lungfish, Maxilla, Nasal bone, Nature (journal), Nostril, Operculum (fish), Orbit (anatomy), Osteichthyes, Ostracoderm, Panderichthys, Parietal bone, Parietal eye, Placoderm, Postfrontal bone, Postorbital bone, ... Expand index (24 more) »

Acanthostega

Acanthostega (meaning "spiny roof") is an extinct genus of stem-tetrapod, among the first vertebrate animals to have recognizable limbs.

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Actinopterygii

Actinopterygii, members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species.

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Alfred Romer

Alfred Sherwood Romer (December 28, 1894 – November 5, 1973) was an American paleontologist and biologist and a specialist in vertebrate evolution.

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Amniote

Amniotes are tetrapod vertebrate animals belonging to the clade Amniota, a large group that comprises the vast majority of living terrestrial and semiaquatic vertebrates.

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Anapsid

An anapsid is an amniote whose skull lacks one or more skull openings (fenestra, or fossae) near the temples.

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Armour (zoology)

Armour or armor in animals is a rigid cuticle or exoskeleton that provides exterior protection against attack by predators, formed as part of the body (rather than the behavioural utilization of external objects for protection) usually through the thickening and hardening of superficial tissues, outgrowths or skin secretions.

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Bird

Birds are a group of warm-blooded vertebrates constituting the class Aves, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

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Bone

A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals.

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Brain

The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.

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Caecilian

Caecilians (blind ones) are a group of limbless, vermiform (worm-shaped) or serpentine (snake-shaped) amphibians with small or sometimes nonexistent eyes.

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Calvaria (skull)

The calvaria is the top part of the skull. Skull roof and calvaria (skull) are skull.

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Carboniferous

The Carboniferous is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period Ma (million years ago) to the beginning of the Permian Period, Ma.

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Cartilage

Cartilage is a resilient and smooth type of connective tissue.

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Chondrichthyes

Chondrichthyes is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage.

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Comparative anatomy

Comparative anatomy is the study of similarities and differences in the anatomy of different species.

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Dermal bone

A dermal bone or investing bone or membrane bone is a bony structure derived from intramembranous ossification forming components of the vertebrate skeleton, including much of the skull, jaws, gill covers, shoulder girdle, fin rays (lepidotrichia), and the shells of turtles and armadillos. Skull roof and dermal bone are vertebrate anatomy.

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Dermatocranium

The dermatocranium is the portion of the cranium that is composed of dermal bone, as opposed to the endocranium and splanchnocranium, which are composed of endochondral bone. Skull roof and dermatocranium are vertebrate anatomy.

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Devonian

The Devonian is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.3 million years from the end of the preceding Silurian period at million years ago (Ma), to the beginning of the succeeding Carboniferous period at Ma.

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Diapsid

Diapsids ("two arches") are a clade of sauropsids, distinguished from more primitive eureptiles by the presence of two holes, known as temporal fenestrae, in each side of their skulls.

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Dinosaur

Dinosaurs are a diverse group of reptiles of the clade Dinosauria.

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Elpistostege

Elpistostege is an extinct genus of finned tetrapodomorphs that lived during the Frasnian age of the Late Devonian epoch.

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Embolomeri

Embolomeri is an order of tetrapods or stem-tetrapods, possibly members of Reptiliomorpha.

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Endocranium

The endocranium in comparative anatomy is a part of the skull base in vertebrates and it represents the basal, inner part of the cranium. Skull roof and endocranium are vertebrate anatomy.

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Evolution

Evolution is the change in the heritable characteristics of biological populations over successive generations.

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Evolution of fish

The evolution of fish began about 530 million years ago during the Cambrian explosion.

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Eye

An eye is a sensory organ that allows an organism to perceive visual information.

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Frog

A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (coming from the Ancient Greek ἀνούρα, literally 'without tail').

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Frontal bone

In the human skull, the frontal bone or sincipital bone is a unpaired bone which consists of two portions.

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Homology (biology)

In biology, homology is similarity due to shared ancestry between a pair of structures or genes in different taxa.

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Human body

The human body is the entire structure of a human being.

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Ichthyostega

Ichthyostega (from ἰχθῦς, 'fish' and στέγη, 'roof') is an extinct genus of limbed tetrapodomorphs from the Late Devonian of what is now Greenland.

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Intertemporal bone

The intertemporal bone is a paired cranial bone present in certain sarcopterygians (lobe-finned fish) and extinct amphibian-grade tetrapods.

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Jugal bone

The jugal is a skull bone found in most reptiles, amphibians and birds. Skull roof and jugal bone are vertebrate anatomy.

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Labyrinthodontia

"Labyrinthodontia" (Greek, 'maze-toothed') is an informal grouping of extinct predatory amphibians which were major components of ecosystems in the late Paleozoic and early Mesozoic eras (about 390 to 150 million years ago).

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Lacrimal bone

The lacrimal bones are two small and fragile bones of the facial skeleton; they are roughly the size of the little fingernail and situated at the front part of the medial wall of the orbit.

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Lungfish

Lungfish are freshwater vertebrates belonging to the class Dipnoi.

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Maxilla

In vertebrates, the maxilla (maxillae) is the upper fixed (not fixed in Neopterygii) bone of the jaw formed from the fusion of two maxillary bones.

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Nasal bone

The nasal bones are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face and by their junction, form the bridge of the upper one third of the nose.

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Nature (journal)

Nature is a British weekly scientific journal founded and based in London, England.

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Nostril

A nostril (or naris,: nares) is either of the two orifices of the nose.

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Operculum (fish)

The operculum is a series of bones found in bony fish and chimaeras that serves as a facial support structure and a protective covering for the gills; it is also used for respiration and feeding.

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Orbit (anatomy)

In anatomy, the orbit is the cavity or socket/hole of the skull in which the eye and its appendages are situated. Skull roof and orbit (anatomy) are human head and neck and skull.

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Osteichthyes

Osteichthyes, also known as osteichthyans or commonly referred to as the bony fish, is a diverse superclass of vertebrate animals that have endoskeletons primarily composed of bone tissue.

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Ostracoderm

Ostracoderms are the armored jawless fish of the Paleozoic Era.

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Panderichthys

Panderichthys is a genus of extinct sarcopterygian (lobe-finned fish) from the late Devonian period, about 380 Mya.

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Parietal bone

The parietal bones are two bones in the skull which, when joined at a fibrous joint known as a cranial suture, form the sides and roof of the neurocranium. Skull roof and parietal bone are human head and neck and skull.

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Parietal eye

A parietal eye (third eye, pineal eye) is a part of the epithalamus in some vertebrates.

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Placoderm

Placoderms (from Greek πλάξ (plax, plakos) 'plate' and δέρμα (derma) 'skin') are vertebrate animals of the class Placodermi, an extinct group of prehistoric fish known from Paleozoic fossils during the Silurian and the Devonian periods.

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Postfrontal bone

The postfrontal is a paired cranial bone found in many tetrapods. Skull roof and postfrontal bone are vertebrate anatomy.

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Postorbital bone

The postorbital is one of the bones in vertebrate skulls which forms a portion of the dermal skull roof and, sometimes, a ring about the orbit. Skull roof and postorbital bone are skull.

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Postparietal

Postparietals are cranial bones present in fish and many tetrapods. Skull roof and Postparietal are vertebrate anatomy.

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Prefrontal bone

The prefrontal bone is a bone separating the lacrimal and frontal bones in many tetrapod skulls. Skull roof and prefrontal bone are skull and vertebrate anatomy.

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Premaxilla

The premaxilla (or praemaxilla) is one of a pair of small cranial bones at the very tip of the upper jaw of many animals, usually, but not always, bearing teeth. Skull roof and premaxilla are vertebrate anatomy.

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Quadratojugal bone

The quadratojugal is a skull bone present in many vertebrates, including some living reptiles and amphibians. Skull roof and quadratojugal bone are vertebrate anatomy.

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Robert L. Carroll

Robert "Bob" Lynn Carroll (May 5, 1938 – April 7, 2020) was an American–Canadian vertebrate paleontologist who specialised in Paleozoic and Mesozoic amphibians and reptiles.

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Salamander

Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults.

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Sarcopterygii

Sarcopterygii — sometimes considered synonymous with Crossopterygii — is a clade (traditionally a class or subclass) including both a group of bony fish commonly referred to as lobe-finned fish, and tetrapods.

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Scandinavia

Scandinavia is a subregion of Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples.

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Skull

The skull is a bone protective cavity for the brain. Skull roof and skull are human head and neck and vertebrate anatomy.

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Sphenoid bone

The sphenoid bone is an unpaired bone of the neurocranium.

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Squamosal bone

The squamosal is a skull bone found in most reptiles, amphibians, and birds. Skull roof and squamosal bone are skull and vertebrate anatomy.

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Stegocephali

Stegocephali (often spelled Stegocephalia, from Greek στεγοκεφαλια, lit. "roofed head") is a clade of vertebrate animals containing all fully limbed tetrapodomorphs.

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Supratemporal bone

The supratemporal bone is a paired cranial bone present in many tetrapods and tetrapodomorph fish. Skull roof and supratemporal bone are skull.

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Synapsida

Synapsida is one of the two major clades of vertebrate animals in the group Amniota, the other being the Sauropsida (which includes reptiles and birds).

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Tabular bone

The tabular bones are a pair of triangular flat bones along the rear edge of the skull which form pointed structures known as tabular horns in primitive Teleostomi.

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Temnospondyli

Temnospondyli (from Greek τέμνειν, temnein 'to cut' and σπόνδυλος, spondylos 'vertebra') or temnospondyls is a diverse ancient order of small to giant tetrapods—often considered primitive amphibians—that flourished worldwide during the Carboniferous, Permian and Triassic periods, with fossils being found on every continent.

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Temporal fenestra

Temporal fenestrae are openings in the temporal region of the skull of some amniotes, behind the orbit (eye socket).

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Tetrapod

A tetrapod is any four-limbed vertebrate animal of the superclass Tetrapoda.

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Tetrapodomorpha

Tetrapodomorpha (also known as Choanata) is a clade of vertebrates consisting of tetrapods (four-limbed vertebrates) and their closest sarcopterygian relatives that are more closely related to living tetrapods than to living lungfish.

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Thomas Stanley Westoll

Prof Thomas Stanley Westoll, FRS FRSE, FGS FLS LLD (3 July 1912 – 19 September 1995) was a British geologist, and the long-time head of the Department of Geology at Newcastle University.

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Tiktaalik

Tiktaalik (Inuktitut ᑎᒃᑖᓕᒃ) is a monospecific genus of extinct sarcopterygian (lobe-finned fish) from the Late Devonian Period, about 375 Mya (million years ago), having many features akin to those of tetrapods (four-legged animals).

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Transitional fossil

A transitional fossil is any fossilized remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group.

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Turtle

Turtles are reptiles of the order Testudines, characterized by a special shell developed mainly from their ribs.

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Zygomatic bone

In the human skull, the zygomatic bone (from yoke), also called cheekbone or malar bone, is a paired irregular bone, situated at the upper and lateral part of the face and forming part of the lateral wall and floor of the orbit, of the temporal fossa and the infratemporal fossa. Skull roof and zygomatic bone are vertebrate anatomy.

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References

[1] https://en.wikipedia.org/wiki/Skull_roof

Also known as Skull roofs, Skull table.

, Postparietal, Prefrontal bone, Premaxilla, Quadratojugal bone, Robert L. Carroll, Salamander, Sarcopterygii, Scandinavia, Skull, Sphenoid bone, Squamosal bone, Stegocephali, Supratemporal bone, Synapsida, Tabular bone, Temnospondyli, Temporal fenestra, Tetrapod, Tetrapodomorpha, Thomas Stanley Westoll, Tiktaalik, Transitional fossil, Turtle, Zygomatic bone.