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Report of the Committee on Marine Ecology as Related to Paleontology 1942-1943 (1943) / Chapter Skim
Currently Skimming:

Tertiary and Cretaceous Paleontology of California Based on Fossil Fish Remains by Lore R. David
Pages 31-32

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 31...
... Deepening of the sea is indicated by greater abundance of the genera Rath.~:La.~us, Lampan~yctus and C;yclothone. True deep sea types are never folded in the Los Angeles Basin; they occur occasionally in the San Joaquin Valley together with other forms,~nhabitants of water of lesser depth.
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From page 32...
... i.iore detailed comparisons of fossil forms and o: flee ecological conditions uncler which they might have existed with recent types and habitats might furnish interesting results ins solving 3:roblerrls of' sedimentation. Such studies Should necessitate a r.~uch ~,~eat,er cor^:pr~hension of existing conditions and habitats in oceanic e3::vironments than is availab1 e today.
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Key Terms

  • angeles basin
  • san joaquin
  • upper miocene
  • fish faunas
  • joaquin valley

  • upper cretaceous
  • uniform type
  • eocene strata
  • ecological conditions
  • sum peachy

  • upper senonian
  • ormations permit
  • remains occult
  • senonian faunas
  • diversified faunas

  • deep species
  • true deep
  • caused bychanges
  • assemblages represented
  • composition oared

  • usually barren
  • single bores
  • fish forms
  • marry sum
  • cretaceous strata

  • mesozoic marine
  • lover eocene
  • david california
  • differences evidently
  • sea types


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