1. https://en.wikipedia.org/wiki/Slipper_lobster

    Slipper lobsters are a family (Scyllaridae) of about 90 species of achelate crustaceans, in the Decapoda Reptantia, found in all warm oceans and seas.

  2. species-identification.org/search.php

    Marine Species Identification Portal: information on thousands of different species in the world's oceans and seas.