skull shark
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Rostrum |
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| rostral fenestra | open ventrally
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| epiphyseal foramen | just behind the rostrum on the top of the skull
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| otic capsule | back of skull just lateral to midline
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| orbit |
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| preorbital process | ridge at the front of the orbit
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| supraorbital crest | ridge at the top of the orbit
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| postorbital process | ridge behind the orbit
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| basal plate | large flat plate posterior section of the skull
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| vagal foramen | caudal section of the skull just lateral to foramen magnum
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| glossopharyngeal foramen | caudal section of the skull most lateral foramina
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| foramen magnum | canal for the spinal cord
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| occipital condyle | just ventral and lateral to foramen magnum articulate with the first trunk vertebra
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| branchial arches | basibranchials: center base
hypobranchials: branch off basi-
ceratobranchial: ventral rods posteriorly oriented
epibranchial: curve dorsally from cerato-
pharyngobranchial: terminates the arch dorsally
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| hyoid arch | basihyal: central section
paired ceratohyal: lateral section posteriorly oriented
paired hyomandibulae: lateral most projection terminates hyoid arch
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| meckel's cartilage | lower jaw skeleton
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| palatoquadrate cartilage | quadrate process: lateral immediately anterior to arches
orbital process: projection nearest midline
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| homodont teeth |
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
jebeard
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