|
Subclass
|
Order/suborder
|
Muscle attachment scars
|
Connecting rings
|
CD
| |
Endosiphuncular deposits
|
Embryonic conch
|
|---|
|
O
|
V
|
P
|
D
|
N
|
C
|
D
|
En
|
R
|
P
|
A
|
Ar
|
Ec
|
Ci
|
Ca R
|
Ca P
|
Cr
|
Hs
|
Sp
|
S
|
L
|
ES
|
EL
|
|---|
|
Plectronoceratia
|
Plectronoceratida
|
Y
| | | | |
Y?
| |
Y
| | | | | | |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Yanheceratida
|
?
| | | | | | |
Y
| | | | | | |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Protactinoceratida
|
?
| | | | |
Y?
| |
Y
| | | | | | |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Multiceratia
|
Ellesmeroceratida
|
Y
| | | |
Y
| | |
Y
| | | | | | |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Cyrtocerinida
|
Y
| | | |
Y
| | |
Y
| | | | | | |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Bisonoceratida
|
Y
| | | |
Y
| | |
Y
|
Y
| | | | | |
?
|
?
|
?
|
?
|
?
|
?
|
–
|
Y
|
?
|
Y
|
|
Oncoceratida
|
Y
| | | |
Y
| | |
Y
| | | | | | |
Y
|
?
|
?
|
Y
|
?
|
?
|
Y
|
Y
|
?
|
Y
|
|
Discosorida
|
Y
| | | |
Y
| | |
Y
|
Y
| |
Y
| | | |
Y
|
Y
|
?
|
Y
|
?
|
?
|
?
|
Y
|
?
|
?
|
|
Tarphyceratia nov.
|
Tarphyceratida
| |
Y
|
Y
| |
Y
| | | | | | | | | |
?
|
Y
| |
Y
| | |
Y
|
Y
| |
Y
|
|
Ascoceratida
| |
Y
| | |
Y
| | | | | | | | | |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Nautilia
|
Nautilida
| | |
Y
| |
Y
| | | | | | | | | |
Y
|
Y
| |
Y
| | | |
Y
| |
Y
|
|
Orthoceratia
|
Rioceratida nov.
| | | |
Y
|
?
|
?
| |
Y
| | | | | | |
?
|
?
|
?
|
?
|
Y
|
?
|
Y
|
?
|
?
|
?
|
|
Dissidoceratida
| | | |
Y
| |
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
| |
?
|
?
|
?
|
?
|
Y
|
?
|
Y
|
?
|
?
|
?
|
|
Dissidoceratina
| | | |
Y
| | |
Y
|
Y
| |
Y
|
Y
| |
Y
| |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Troedssonellina
| | | | | |
Y
|
Y
|
Y
|
Y
| |
Y
|
Y
| | |
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Orthoceratida
| | | |
Y
| |
Y
|
Y
| | | | |
Y
| | | | | | |
Y
|
Y
|
Y
| |
?
| |
|
Pseudorthoceratida
| | | |
?
| | |
Y
| | | |
Y
|
Y
| | |
Y
| |
Y
| | | |
Y
| |
Y
|
Y
|
|
Actinoceratida
| | | |
Y
| |
Y
|
Y
| | | | | |
Y
| |
?
|
Y
| | | | |
?
|
Y
|
?
|
?
|
|
Astroviida
| | | |
Y
| |
Y
|
Y
| | | | | | |
Y
|
?
|
?
|
?
|
?
|
Y
|
Y
|
?
|
?
|
?
|
?
|
|
Lituitina
| | | |
Y
| |
Y
|
Y
| | | | | | |
Y
| | | | |
Y
|
Y
|
Y
|
?
|
?
|
?
|
|
Pallioceratina
| | | |
?
| | |
Y
| | | | | | |
Y
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
?
|
|
Endoceratida
| | | |
Y
|
Y
| | |
Y
|
Y
| | | | | |
?
|
?
|
?
| | | |
Y
|
?
|
Y
|
?
|
- Muscle attachment scars: O oncomyarian, V ventromyarian, P pleuromyarian, D dorsomyarian. Connecting ring = Connecting ring type: N= nautilosiphonate, C calciosiphonate. CD cameral deposits. Endosiphuncular deposits: D diaphragms, En endocones, R rods, P parietal, A annuli, Ar radially divided annuli, Ec ectosiphonal deposits. Embryonic conch: Ci cicatrix (present/absent), Ca R cap-shaped rounded, Ca P cap-shaped pointed, Cr curved, Hs hemispherical, Sp spherical, S small protoconch, L large protoconch, ES embryonic conch small, EL embryonic conch large, Y definite presence
