NMITA:Neogene Marine Biota of Tropical America



Pristipomoides sp.



Specimen details:
 Sample Number: PPP2186
Type Status: nontype
Scale Bar is 1 mm
Type: SEM
Orientation: mesial
Locality: Bocas del Toro, Bocas del Toro, Panama

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Morphologic Description:

    Otolith shape: rhomboidal;
    Thickness: moderately thick;
    Form: -Mesial convex;
    Form: -Lateral concave;
    Dorsal margin: rounded oblique anteriorly,;
    Dorsal margin sculpture: digitate and very irregular;
    Ventral margin: rounded and irregular;
    Posterior margin: oblique and rounded, crenulate to irregular and notched;
    Sulcus acusticus: ostial, heterosulcoid;
    Colliculum: heteromorph, anterior colliculum oval and raised, posterior low;
    Pseudocolliculum: absent;
    Ostium: oval, slightly angled dorsally;
    Cauda: deep, narrow and almost straight; tips indistinct, end close to margin;
    Ostio-caudal differentiation: dorso-ventrally constricted;
    Collum: absent;
    Crista superior: poorly developed over anterior ostium and near tip, ridge-like along anterior cauda, absent at tip;
    Crista inferior: poorly developed under ostium, well developed under cauda, except at tip;
    Dorsal depression: oval, above anterior cauda;
    Ventral depression: absent;
    Rostrum: moderate, broad and sharply rounded, may have slight dorsal flexion;
    Antirostrum: minute and rounded;
    Excisura: moderate, notch very shallow, angle wide;
Distribution:
    Late Pliocene: Escudo de Veraguas Fm., Bocas del Toro, Panama;

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