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・ Thoracic spinal nerve 7
・ Thoracic spinal nerve 8
・ Thoracic spinal nerve 9
・ Thoracic splanchnic nerves
・ Thoracic vein
・ Thoracic vertebrae
・ Thoracic wall
・ Thoracica
・ Thoraciliacus
・ Thoracistus arboreus
・ Thoracistus peringueyi
・ Thoraco-abdominal nerves
・ Thoracoacromial artery
・ Thoracocare
・ Thoracocarpus
Thoracoceras
・ Thoracocharax
・ Thoracocharax securis
・ Thoracochromis
・ Thoracochromis brauschi
・ Thoracodorsal
・ Thoracodorsal artery
・ Thoracodorsal nerve
・ Thoracoepigastric vein
・ Thoracolopha
・ Thoracolophotos
・ Thoracolumbar fascia
・ Thoracopteridae
・ Thoracopterus
・ Thoracosaurus


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Thoracoceras : ウィキペディア英語版
Thoracoceras


''Thoracoceras'' is an extinct orthocerid genus from the family Kionoceratidae characterized by orthoconic shells marked by prominent longitudinal rounded grooves separated by angular ridges, each which has a single row of blunt spines along its apex, and having a small submarginal siphuncle.
''Thoracoceras'', named by Fischer De Waldheim in 1844, is found in Carboniferous and Lower Permian sediments in the U.S., Europe, and Russia. It is closely related to ''Kionoceras'', ''Ohioceras'', and ''Polygrammoceras''
==References==

* Sweet, W.C. 1964. Nautiliodea - Orthocerida ''in'' Treatise on Invertebrate Paleontology Part K; Geol. Soc. of Amer. and Univ. of Kans. press.

* (Sepkoski's Online Genus Database (CEPHALOPODA) )


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