FIGURE 4. Pugnatrypaea emanata n in A new mud shrimp of the genus Pugnatrypaea from outer continental shelf waters of the northern Gulf of Mexico, commonly associated with hydrocarbon seeps (Crustacea: Decapoda: Callianassidae)

FIGURE 4. Pugnatrypaea emanata n. sp. collections at type locality. A, heavily burrowed sediments previously photographed near Bush Hill hydrocarbon seep (provided by R. Carney); B, retrieval of 0.25-m² box corer; C, surface of recovered core sample with oily sheen on included water; D, burrows in recovered core sample with oily sheen on draining water; E, waxy oil on body of live holotype specimen (USNM 1559553 = ULLZ 17962) immediately after being sieved from core sample.