Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
Temside shales -
Lingula cornea Sow; (no other brachiopods)
Small Mollusopsids-(no Nuculoids, no Perinoids, etc. Ludlowist.)
Bopyrostroma glaucomides Sow &k (no other gastropods)
No cephalopods
Ceritoceras, etc.; Beyrichia Noodenia, etc. (Tetrabrachia)
fish scales.
Passage beds
14000 - 22000
(100-120)
wae.
Downton Sandstone -
3500 + (30-50)
wae.
No corals, corallines, nor crinoids
Lingula minima Sow; (no other brachiopods)
Small Mollusopsids (no Nuculoids, no Perinoids etc.)
Platyrhizoma hebetes Sow. (no other gastropods)
No cephalopods
Ceritoceras ext.; Beyrichia, Noodenia, etc.
fishes
Upper Ludlow
Whiteliffie shales
6000
(250-280)
Lingula remains & occa.sioria; corallines
Lingula striata, orbiculidea; Pholad's.
No strophomenoids (Leptenia, Strophonella, Leptostrophe ex.
Chonetes striatella, Dalmanella, orbicularis), Stenosismia
No Wilsonia, Gebyria? Dalmanella, orbicularis; Stenosmia
Spirifer, etyavus (NO ATRYPAE); Dayla novaculaet. (wae.)
Nuthrichonia, Nuculoids; modiolopsids; Grammysia etc.
Orthoceras, Hyolithes, Ballemnophs; Tentaculites (Cornulites)
ca.ymerie, Dalmanites, ostracods;
Middle Ludlow
Aynestry Instrn
10000
(15-400)
wae. 1400 ft. Strata invariab.
Forresty & Bered Schist
2625 ft. Searier.