NMITA:Neogene Marine Biota of Tropical America

Brotula sp.1

Specimen details:
Sample Number: PPP1995
Type Status: nontype
Scale Bar is 1 mm
Type: SEM
Orientation: mesial
Locality: Bocas del Toro, Bocas del Toro, Panama

- Enlarge Image -

Morphologic Description:

    Otolith shape: spindle-shaped, narrow and elongated;
    Thickness: moderately thick;
    Form: -Mesial slightly convex;
    Form: -Lateral very convex;
    Dorsal margin: slightly rounded;
    Dorsal margin sculpture: entire;
    Ventral margin: slightly rounded and irregular;
    Posterior margin: pointed and entire;
    Sulcus acusticus: ostio-caudal, heterosulcoid;
    Colliculum: heteromorph and low;
    Pseudocolliculum: absent;
    Ostium: elongate, filled with low, reticulate patterned colliculum. Sulcus lies in the dorsal margin.;
    Cauda: elongate, flexed, pointed at both ends and narrower than ostium;
    Ostio-caudal differentiation: ventrally constricted;
    Collum: absent;
    Crista superior: poorly developed along entire sulcus;
    Crista inferior: poorly developed along entire sulcus;
    Dorsal depression: absent;
    Ventral depression: absent;
    Rostrum: small and pointed;
    Antirostrum: absent;
    Excisura: moderate, notch absent;
    Early Pleistocene: Swann Cay Fm., Bocas del Toro, Panama;

Return to: