Bathropyramis sanjoaquinensis

Classification: rads_cenozoic -> Theoperidae -> Acropyramiidae -> Bathropyramis -> Bathropyramis sanjoaquinensis
Sister taxa: B. aeshna, B. ramosa, B. sanjoaquinensis, B. scalaris, B. spongiosa, B. timorensis, B. woodringi, B. sp.


Citation: Bathropyramis sanjoaquinensis Campbell & Clark 1944
Rank: species

Catalog entries: Bathropyramis sanjoaquinensis

Original description: Shell small, stout pyramidal (60°); apex minutely rounded and with 3 tiny, rounded cortinar pores; sides with 6 or 7 equal, plane faces, bounded by 7 or 8 stout radial beams or longitudinal ribs, each adjacent pair connected by at least 6-8 transverse bars, these bars in nearly symmetrical series from one face to next, both beams and bars very thick in upper 0.5, less so below, widest of them as much as 0.5 width of a pore; pores narrow rectangular and slitlike in upper shell, increasing in size toward mouth where they are wider and more nearly quadrangular; surface smooth, free of spines as are inside faces of the pores.
Remarks on original description: The authors here list Bathropyramis sanjoaquinensis under the subgeneric name Acropyramis and include the subgeneric name in the species name.[comment from RadWorld database]


Biogeography and Palaeobiology

Biostratigraphic distribution

Geological Range:
Last occurrence (top): within (-Ma, top in "Holocene" stage). Data source:
First occurrence (base): within (-Ma, base in "Holocene" stage). Data source:

Plot of occurrence data:



Bathropyramis sanjoaquinensis compiled by the radiolaria@mikrotax project team viewed: 13-4-2021

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