GEOLOGICAL SURVEY OF IRAN | WWW.GSI.IR
 
فارسی  |     
Home |  Contact Us |  Help 
    Member Login
Username
Password
Home Latest Update :  3 Tuesday April 2012
Other Genus
OrderFORAMINIFERIDA
Sub OrderROTALIINA
Super FamilyGLABRATELLACEA
FamilyHERONALLENIIDAE
Genus HERONALLENIA

HERONALLENIA Chapman and Parr. 1931

 

 

Type species: Discorbina wilsoni Heron-Allen and Earland, 1922 (*1473), p. 206: OD.Heronallenia Chapman and Parr. 1931(*541), p. 236. Metaheronallenia McCulloch. 1977(*196) p.318: type species: Metaheronallenia rugosiformis McCulloch, 1977: OD.Neoheronallenia McCulloch. 1977(*1961), p, 319: type species: Neoheronallenia craigi McCulloch, 1977; OD. Planoheronallenia McCulloch- 1977(*1961) p. 322: type species: Planoheronallenia aenmanerois McCulloch,1977: OD.Subheronallenia McCulloch. 1977 (*1961), p. 323; type species: Subheronallenia crosbyi McCulloch, 1977: OD. Guyhoytina McCulloch. 1981 (*1962), p. 149: type species: Guyhoytina helenae McCulloch I981: OD.Test ovate to auriculate in outline, planoconvex, low trochospiral coil with one or two rapidly widening whorls, chambers crescen­tic on the gently convex spiral side, subtri­angular on the flat to centrally concave umbil­ical side, sutures curved. thickened and flush on the spiral side, radial and depressed on the umbilical side, periphery carinate; wall calcareous, optically radial, finely perforate, surface smooth on the spiral side, radially grooved on the umbilical side; aperture a low to high interiomarginal and umbilical arch, may have an umbilical lobe just posterior to the opening on the final chamber, aperture secondarily closed by an umbilical plate as new chambers are added, apertures of earlier chambers not overlapped by the succeeding chambers but closed by the later formed plates that remain visible around the umbilicus. Eocene to Holocene; cosmopolitan.

 

Alphabet Word
Genus(Selected):
Genus(Input Text):
 About Paleontology
 Paleontology Details
Other Sub Order 
Other Super Family 
Other Family 
Other Sub Family 
Related links

External links