SEM Observations on the Marine Nematode Dracognomus simplex (Gerlach, 1954) Allen and Noffsinger, 1978 (Draconematidae: Prochaetosomatinae)
Keywords:
dracognomus americanum n. sp., dracognomus simplex, draconematidae, identification, key, marine nematode, morphology, new species. prochaetosomatinae, sem observation, taxonomyAbstract
The free-living marine nematode Dracognomus simplex (Gerlach, 1954) Allen & Noffsinger, 1978 was studied by scanning electron microscopy (SEM). The morphology of males and females is described and illustrated in detail. In addition to the typical and modified adhesion tubes, a new type of posterior adhesion tube was discovered. A neotype is proposed for Dracognomus simplex, and D. simplex sensu Decraemer & Gourbault, 1986 is renamed as Dracognomus americanum n. sp. Additionally, a key toward the Dracognomus species is proposed.Downloads
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