Abyssomysis

Wittmann, Karl J., 2020, Lophogastrida and Mysida (Crustacea) of the “ DIVA- 1 ” deep-sea expedition to the Angola Basin (SE-Atlantic), European Journal of Taxonomy 628, pp. 1-43: 20

publication ID

https://doi.org/10.5852/ejt.2020.628

publication LSID

lsid:zoobank.org:pub:DFA628B3-900F-493E-98E4-C9B28CC7CDFD

DOI

http://doi.org/10.5281/zenodo.3806782

persistent identifier

http://treatment.plazi.org/id/03F087F6-2A02-FF9C-B1FA-FE44FE5F24DB

treatment provided by

Valdenar

scientific name

Abyssomysis
status

gen. nov.

Abyssomysis  gen. nov.

urn:lsid:zoobank.org:act:41771FE0-7B94-4422-803C-C4B2292B9BAF

Type species

Abyssomysis cornuta  gen. et sp. nov. by monotypy and present designation.

Diagnosis

Calyptommini  with eyeplate formed by a transverse, median lamina (= ocular symphysis) connecting separate, rudimentary eyestalks; lamina not incised, visual elements absent. Carapace normal, anteriorly rounded.Antennula with well-developed, setose appendix masculina; proximal segment of trunk without ventral carina. Antennal sympod without spiniform extension; antennal scale well developed, entire, its smooth outer margin ending in a prominent tooth, terminal lobe well-developed. Labrum with small, knob-like rostral process. Mandibles with distinct molar part; lacinia mobilis present on left mandible, absent or vestigial on right mandible. First thoracopods normal; basis of endopod with long, setose endite. Females with three pairs of functional oostegites. Penes normal. Pleopods of both sexes reduced to unsegmented, plate- or rod-like endopods, except that the fourth male pleopod is sub-segmented. Both rami of the uropods unsegmented, setose all around, without spines. Telson short, terminally truncate; lateral margins smooth, terminal margin with spines.

Etymology

The generic name is an amalgamated noun with female ending, referring to the occurrence of this mysid in the abyssal plain.

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Mysida

Family

Mysidae