CATALOG OF ORIGINAL DESCRIPTIONS: Globorotalia miozea Finlay 1939
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Original Description Of the hirsuta d'Orb. type, variable in shape and thickness, both menardii and tumida forms occurring in all gradations; dorsally usually lightly convex, last chambers more flattened, about 2 coils with usually 5 chambers; sutures very convex; periphery increasingly lobulate with age, but not cordate; ventrally subconical at angle of about 140°, chamber bases narrowly swollen but not pointed, sometimes depressed ; sutures deep, sinuous; no umbilicus, aperture sometimes narrow, usually fairly open with slight lip along outer side; whole shell densely perforate ; dorsally smooth ; ventrally with dense tiny pustules clustering around lower part of chambers, decreasing in size with subsequent chambers, last 2 smooth; periphery sharp- angled to quite rounded. Size: 0ยท8 mm. Extra details from original publication Type from 5089, Eason's Hill, Greymouth " Blue Bottom." Rare in Lower Hutchinsonian, abundant after that and reaching Waitotaran. For comparison are figured (plate 29, figs. 157, 162, 163) specimens of G. crater Finlay (Trans. Roy. Soc. N.Z., vol. 69, pt. 1, p. 125) from the lowest Bortonian of mid-Waipara (5671).
References:
Finlay, H. J. (1939c). New Zealand foraminifera: Key species in stratigraphy - no. 3. Transactions of the Royal Society of New Zealand. 69(3): 309-329. gs
Globorotalia miozea compiled by the pforams@mikrotax project teamviewed: 23-3-2025
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