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Current identification:
[Translation from German using google translate] Diagnosis: A species of the genus Woletzina n. Gen. With the following features: high-spiral, cylindrical housing, end chamber lying on the rolling axis. Description: Small housing, with round, slightly lobed periphery. Dorsal side emphasizes trochospiral pulled up in slightly more than three turns. First contact barely noticeable, low, sutures indistinct, flat, but later the chambers gradually grow larger, inflate, and the septa are clearly recessed, are always slightly bent backwards. Ventral four chambers visible, the end chamber is almost or directly in the rolling axis. Seams here straight and sunk. No navel. Mouth an indistinct internal marginal, narrow slit extending to the outer margin. The specimen shown on Plate 4, Figure 4 is in shell preservation, white, calcareous, finely porous. In the aperture field shell wall blasted and the glauconite core visible. Rare. [Translation from German using google translate] Distribution: Found In Wiek at Ogrodzieniec in the Upper Callovia as well as in lower Oxfordia.
Original Description
Description: Gehäuse klein, mit runder, wenig gelappter Peripherie. Dorsalseitig betont trochospiral in etwas mehr als drei Windungen hochgezogen. Erster Umgang kaum in Erscheinung tretend, niedrig, Suturen undeutlich, flach, später aber werden die Kammern allmählich größer, blähen sich auf, und die Septen liegen deutlich vertieft, sind immer geringfügig nach hinten gebogen. Ventralseitig vier Kammern sichtbar, wobei die Endkammer fast oder direkt in der Aufrollungsachse liegt. Nähte hier gerade und versenkt. Kein Nabel. Mund ein undeutlicher interiomarginaler, zum Außenrand hinziehender, schmaler Schlitz. Das auf Tafel 4, Figur 4 dargestellte Exemplar ist in Schalenerhaltung, weiß, kalkig, feinporös. Im Aperturfeld Schalenwand abgesprengt und der Glaukonitkern sichtbar. Selten.
Size:
Etymology:
Extra details from original publication
Fuchs, V. W. (1973). Ein Beitrag zur Kenntnis der Jura-„Globigerinen” und verwandter Formen an Hand polnischen Materials des Callovien und Oxfordien. Verhandlungen der Geologischen Bundesanstalt (Wien). 3: 445-487. gs References:

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Woletzina cylindrica compiled by the pforams@mikrotax project team viewed: 8-2-2026
Short stable page link: https://mikrotax.org/pforams/index.php?id=132455 Go to Archive.is to create a permanent copy of this page - citation notes |
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