![](images/M/Mecas_bicallosa_(h)_Martin_CAS_1474_LGB.jpg)
Specimen Type: holotype Institution: CAS California Academy of Sciences, San Francisco, CA, USA Photographer: Larry G. Bezark 20492
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![](images/M/Mecas_bicallosa_(a)_Martin_CAS.jpg)
Specimen Type: allotype Institution: CAS California Academy of Sciences, San Francisco, CA, USA Photographer: Larry G. Bezark 1852
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