More cards in this set

Card 6

Front

was the siphuncle of nautiloids in the centre of the body or towards the venter?

Back

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Card 7

Front

was the siphuncle of an ammonoid in the centre of the body or towards the venter?

Back

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Card 8

Front

were the septal necks of a nautiloid facing away or towards the aperture?

Back

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Card 9

Front

when did nautilods first appear?

Back

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Card 10

Front

what is the phylum of nautiloids and ammonoids

Back

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Card 11

Front

what is the class of ammonoids?

Back

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Card 12

Front

what is the first chamber occupied by the juvenile in an ammonoid called?

Back

Preview of the front of card 12