Ammonoids 0.0 / 5 ? GeologyAmmonoidsA2/A-levelOCR Created by: HannahCavielCreated on: 28-03-17 12:42 38924615710 Across 1. what is the phylum of nautiloids and ammonoids (8) 5. what were the lobes of ceratites described as? (8) 6. what was the saddles of ammonites described as? (8) 9. what is the first chamber occupied by the juvenile in an ammonoid called? (10) 10. what is the class of ammonoids? (11) Down 2. when did nautilods first appear? (5, 8) 3. was the siphuncle of nautiloids in the centre of the body or towards the venter? (2, 3, 6) 4. what is the term for the suture lines are simple? (14) 7. were the septal necks of a nautiloid facing away or towards the aperture? (4) 8. when did ammonoids become extinct? (10)
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