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・ Plectasin
・ Plectaster decanus
・ Plectenchyma
・ Plectics
・ Plectin
・ Plectobela zanclotoma
・ Plectocarpon
・ Plectocephalus
・ Plectoceras
・ Plectoceratidae
・ Plectocomia
・ Plectocomia microstachys
・ Plectocomiopsis
・ Plectocretacicus
・ Plectodonta
Plectolites
・ Plectomyces
・ Plectoneura
・ Plectophila discalis
・ Plectopylidae
・ Plectopyloidea
・ Plectorhinchus
・ Plectorhinchus albovittatus
・ Plectorhinchus caeruleonothus
・ Plectorhinchus ceylonensis
・ Plectorhinchus diagrammus
・ Plectorhinchus gibbosus
・ Plectorhinchus lineata
・ Plectorhinchus macrospilus
・ Plectorhinchus picus


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Plectolites : ウィキペディア英語版
Plectolites

''Plectolites'' is a coiled nautiloid cephalopod from Nevada (USA) somewhat reminiscent of the genus ''Plectoceras'' of the Barrandeocerina.
''Plectolites'' is included in the Trocholitidae. The shell is strongly costate. Costae (ribs) slope back from the umbilical shoulder to the venter where they become sharply elevated. Whorls are slightly eccentric, the siphuncle dorsal of the center with thick connecting rings characteristic of the order. ''Plectolites'' has a ventral siphuncle with thin connecting rings.
The type species, ''Plectolites costatus'' Flower, comes form the sponge beds of the Pogonip Formation in Ikes Canyon, Toquima Range, Nev. The holotype is at Columbia University in New York city. Paratypes are at the U.S. National Museum in Washington D.C. and the New Mexico Museum and Natural History and Science in Albuquerque, New Mexico.
==''References''==

* Rousseau H Flower, 1968. Some Additional Whiterock Cephalopods. State Bureau of Mines and Mineral Resources. New Mexico Institute of Mining and Technology. Socorro, New Mexico.


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