NMITA:Neogene Marine Biota of Tropical America



Haemulopsis sp.1



Specimen details:
 Sample Number: PPP2569
Type Status: nontype
Scale Bar is 1 mm
Type: SEM
Orientation: mesial
Locality: Cubagua, Cubagua, Venezuela

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Morphologic Description:

    Otolith shape: oblong;
    Form: -Mesial convex;
    Form: -Lateral concave;
    Dorsal margin sculpture: entire to slightly irregular;
    Posterior margin: rounded to oblique;
    Colliculum: heteromorph, low anterior and indistinct posterior colliculi;
    Ostium: rectangular;
    Ostio-caudal differentiation: dorso-ventrally constricted;
    Cauda: slightly straight, tip gently curved ventrally;
    Excisura: moderately wide;
    Antirostrum: short and sharply rounded;
    Rostrum: short, broad and rounded;
    Ventral depression: absent;
    Dorsal depression: very shallow depression;
    Crista inferior: well developed under entire sulcus;
    Crista superior: well developed over the entire sulcus;
    Collum: absent;
    Pseudocolliculum: absent;
    Sulcus acusticus: ostial, heterosulcoid;
    Ventral margin: well rounded and entire;
    Dorsal margin: rounded and raised;
    Thickness: moderately thick;
Distribution:
    Early Pliocene: Cubagua Fm., Cubagua, Venezuela;

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