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Escharopora falciformis

Classification
Phylum: Bryozoa
Class: Stenolaemata
Order:  Cryptostomata
Genus: Escharopora
Species: Escharopora falciformis (Nicholson)

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History (Nickles & Bassler, 1900)

  • 1849 Ptilodictya cruciformis D’Orbigny, Prodr. de Pal., I p. 21 (not defined)
  • 1875 Ptilodictya falciformis Nicholson, Ann. Mag. Nat. Hist., ser. 4, XV, p. 177, pl. xiv, 1-1b.
  • 1875 Ptilodictya falciformis Nicholson, Pal. Ohio, II, p. 259, pl. xxv, 7, 7b.
  • 1883 Ptilodictya falciformis (Van Cleve) Hall, Twelfth Ann. Rep. Indiana Geol. Nat. Hist., p. 265, pl. xii, 1.
  • 1893 Escharopora falciformis Ulrich, Geol. Minnesota, III, p. 167.
  • 1881 Escharopora recta (not of Hall). Wuenstedt, Roehren-und Sternkorallen, p. 94, pl. cxlvi, 69, 70.
  • 1879 Crateripora lineata Ulrich, Jour. Cincinnati Soc. Nat. Hist., II, p. 30, pl. vii, 28, 28a.
  • 1879 Crateripora lineata var. expansa Ulrich, Jour. Cincinnati Soc. Nat. Hist., II, p. 30.

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Stratigraphic Occurrences

E.falciformis_strat

Geographic Occurrences

Map point data provided by iDigBio.
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Sequences (Formations)

  • C2 Sequence (Mount Hope, Fairmount)

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Identification in Hand Sample
E. falciformis

  • Zoarium Morphology: Thin, sharp-edged, falciform frond; length seldom over 50mm, 1 mm thick
  • Zoecia: Polygonal, almost diamond shape; Form diagonal rows at ~60 deg angle with each other, ~30 deg with edge of frond
  • Mesozooids: Few
  • Monticules: none/inconspicuous
Escharopora_falciformis_800px

Escharopora falciformis from Fairview Formation of Clermont County, Ohio (OUIP 325)

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McFarlan, (1931):

  • Thin, sharp edged, falciform frond. Length seldom over 50mm, thickness 1mm. Diagonal rows make ~60 deg angle with each other, ~30 deg with edge of frond

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