Ammonoids

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J X A P W O M R I Q P B Q M D P Y N S X X
P M Q R D F V Y F X M H E O K C Y G M O A
X Y L O A U N I I S R E X L H I B P C F O
F X K T X P V L P A T F I L W T U V L U C
F X U O Y P A T L N P H T U J I X P N J P
A C F C H E H A Q F W O R S V T V Q X Y X
C R N O I R U D Q G A P P C V A R I F O J
G E N N T C R O E C C X Q A A R X G H P J
Y T C C F A U P C O A I R X W E I N D R D
W A E H P M L O K Q F A H C A C A O F Y C
E C R G B B H L F J F Y E A Y O R E N K J
M E R A D R J A P U Q N F A G H B D O Y G
Y O A U Q I J H G W N J Y E E T C A S F Y
O U T K L A J P F C E T C N J R U Q G E G
I S E R A N H E R L K J F J M O Y T S I L
B N D G Y H N C U N X A U Q X Y B M C T C
T O W A R D S T H E V E N T E R U J Y O F
K W S E C R A S A A D U T R V O R S K W J
J A G I N T H E M I D D L E E D I G U D F
A T D K N D K I P Q J R B O L U G V U H C
G L U A S O X D S J N S C S V N V P H H R

Clues

  • was the siphuncle of an ammonoid in the centre of the body or towards the venter? (7, 3, 6)
  • was the siphuncle of nautiloids in the centre of the body or towards the venter? (2, 3, 6)
  • were the septal necks of a nautiloid facing away or towards the aperture? (4)
  • what is the class of ammonoids? (11)
  • what is the first chamber occupied by the juvenile in an ammonoid called? (10)
  • what is the phylum of nautiloids and ammonoids (8)
  • what is the term for the suture lines are simple? (14)
  • what was the saddles of ammonites described as? (8)
  • when did ammonoids become extinct? (10)
  • when did nautilods first appear? (5, 8)

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