STRATA CHARACTERISTICS FOSSIL REMAINS +--------+--------+------------------------ T { 1. RECENT DEPOSITS | | | 1. RECENT DEPOSITS E { ------------------- | | | R { 2. PLIOCENE | I | I | T -{ ------------------- | | | _Irish Elk._ I { 3. MIOCENE | L | L | A { ------------------- | | | R { 4. EOCENE | L | L | Y ------------------- + | |------------------------ { | U | U | 2. PLIOCENE. { | | | _Mastodon._ { 5. CRETACEOUS | S | S | { } | |------------------------ { --------------------+ T | T | 3. MIOCENE. { | | | S { | R | R | (1) _Cerithium._ E { | | | (2) _Segnoia._ C { | A | A |------------------------ O { | | | 4. EOCENE. N -{ | T | T | D { | | | (1) _Nummulites._ A { 6. OOLITIC | I | I | (2) _Natica._ R { | | |------------------------ Y { | O | O | 5. CRETACEOUS. { | | | { | N | N | (1) _Inoceramus._ { ------------------- | | | (2) _Turrilites._ { 7. LIAS | | | (3) _Pecten._ { | | | (4) _Hamites._ { ------------------- + | +------------------------ { 8. TRIASSIC | | | 6. OOLITIC. { | | | { | | | (1) _Pholadomya._ { ------------------- + | | (2) _Trigonia._ { 9. PERMIAN | | | (3) _Mantellia._ { | | | (4) _Nerinæa._ { ------------------- + | +------------------------ { | | | 7. LIAS. { | | | { | | | (1) _Icthyosaurus._ { | | | (2) _Ammonites._ { | | +------------------------ { 10. CARBONIFEROUS | | | 8. TRIASSIC. { | | | { | | | (1) _Labyrinthodon._ { | | | (2) _Encrinus._ { | | +------------------------ { | | | 9.