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Words near each other
・ Craugastor augusti
・ Craugastor aurilegulus
・ Craugastor azueroensis
・ Craugastor batrachylus
・ Craugastor berkenbuschii
・ Craugastor bocourti
・ Craugastor bransfordii
・ Craugastor brocchi
・ Craugastor campbelli
・ Craugastor catalinae
・ Craugastor chac
・ Craugastor charadra
・ Craugastor chrysozetetes
・ Craugastor coffeus
・ Crater-class cargo ship
Cratera (genus)
・ Crateranthus
・ Crateranthus talbotii
・ Craterellus
・ Craterellus caeruleofuscus
・ Craterellus cornucopioides
・ Craterellus excelsus
・ Craterellus lutescens
・ Craterellus tubaeformis
・ Craterestra
・ Craterian Theater
・ Craterispermum
・ Craterization
・ Cratermaze
・ Craterobathra


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Cratera (genus) : ウィキペディア英語版
Cratera (genus)

''Cratera'' is a genus of land planarians from South America.
== Description ==
The genus ''Cratera'' is characterized by having a leaf-shaped body. Most species are between 3 and 7 cm long. The hundreds of eyes distributed along the body are monolobulated, i.e., simple and circular. The copulatory apparatus has a permanent conical penis occupying the entire male cavity. The final portion of the ejaculatory duct, the channel that guides sperm through the penis, has an expanded cavity that resembles a volcanic crater. It is very similar to the related genus ''Obama'', the main difference being the presence of trilobulated eyes in the latter.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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