Ceratothoa

Martin, Melissa B., Bruce, Niel L. & Nowak, Barbara F., 2015, Review of the fish-parasitic genus Ceratothoa Dana, 1852 (Crustacea: Isopoda: Cymothoidae) from Australia, with description of two new species, Zootaxa 3963 (3), pp. 251-294 : 254

publication ID

https://doi.org/ 10.11646/zootaxa.3963.3.1

publication LSID

lsid:zoobank.org:pub:B09B07C7-9E00-43A7-9671-382ACAC0469D

DOI

https://doi.org/10.5281/zenodo.6102740

persistent identifier

https://treatment.plazi.org/id/0383F87A-035C-1D0A-FF77-4F6C88BFF8F8

treatment provided by

Plazi

scientific name

Ceratothoa
status

 

Key to the Australian species of Ceratothoa View in CoL

1. Pleonite 5 posterior margin bisinuate; coxae 4–7 posteroventral margins narrower than anteroventral margins........... 2

- Pleonite 5 posterior margin not bisinuate; coxae 4–7 posteroventral margins similar to anteroventral margins............. 4

2. Body ovate; less than 2.0 times as long as greatest width; pleotelson wider than long............................... 3

- Body elongate; more than 2.0 times as long as greatest width; pleotelson longer than wide............ Ceratothoa guttata View in CoL

3. Pereopod 7 basis without carinae; coxae 2–3 anteroventral margins smaller than posteroventral margins............................................................................................... Ceratothoa globulus View in CoL sp. nov.

- Pereopod 7 basis with carinae; coxae 2–3 anteroventral margins similar to posteroventral margins.. Ceratothoa usacarangis View in CoL

4. Pereonite 1 with broad anterolateral margins reaching anterior of cephalon; eyes not visible............ Ceratothoa retusa View in CoL

- Pereonite 1 with weak or slightly protruding anterolateral margins not reaching anterior of cephalon; eyes visible......... 5

5. Pereopod 7 ischium anterior margin dilated; cephalon anterolateral margin concave................................ 6

- Pereopod 7 ischium anterior margin not dilated; cephalon anterolateral margin smooth or straight...................... 7

6. Pleotelson posterior margin deeply concave; dorsum with distinct median ridge; pleopod 1exopod longer than wide............................................................................................ Ceratothoa carinata View in CoL

- Pleotelson posterior margin, shallow not deeply concave; dorsum evenly convex, without distinct median ridge; pleopod 1 exopod wider than long........................................................ Ceratothoa barracuda View in CoL sp. nov.

7. Pereopod 1 and 7 merus proximal margin with bulbous protrusion; pleopod endopod 1–5 proximal borders extending below exopod to peduncle.............................................................. Ceratothoa oxyrrhynchaena View in CoL

- Pereopod 1 and 7 merus proximal margin without bulbous protrusion, pleopod endopod 1–5 proximal borders not extending below exopod to peduncle.............................................................................. 8

8. Pleotelson narrower than pereonite 7; posterior region of pereonites darker than anterior............ Ceratothoa imbricata View in CoL

- Pleotelson as wide or wider than pereonite 7; posterior region of pereonites lighter than anterior....... Ceratothoa banksii View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Isopoda

Family

Cymothoidae

GBIF Dataset (for parent article) Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF