Batea Müller, 1865

Genus Batea Müller, 1865 View in CoL

Diagnosis. As for the family.

Identification key to the species of Batea

1A- Ischium of gnathopod 2 almost as long as basis............................................................. 2

1B- Ischium of gnathopod 2 much shorter than basis............................................................ 3

2A- Rostrum exceeding tip of peduncular article 1 of antenna 1; gnathopod 2 with inner margin of dactylus bearing 3 teeth; basis of pereopod 7 with concave posterior margin; uropod 3 inner ramus without long plumose setae.... B. intermedia Serejo, 2007

2B- Rostrum not exceeding tip of peduncular article 1 of antenna 1; gnathopod 2 with unarmed inner margin of dactylus; basis of pereopod 7 with rounded posterior margin; uropod 3 inner ramus with long plumose setae... B. cuspidata ( Shoemaker, 1926)

3A- Pereonal and pleonal segments smooth.................................................................... 4

3B- Pleonal and pereonal segments with at least one posterodorsal process.......................................... 10

4A- Coxa of gnathopod 2 rectangular; not tapering ventrally...................................................... 5

4B- Coxa of gnathopod 2 subtriangular; tapering ventrally........................................................ 6

5A- Gnathopod 1 basis with less than distal setae, of which 2 or less laterally; coxa of pereopod 5 somewhat curved backward; posterior margin on epimeral plate 3 with two separated sets of 4–5 teeth; telson lobes inner margin straight....................................................................................... B. schotti Ortiz & Lemaitre, 1997

5B- Gnathopod 1 basis with more than seven distal setae, of which three or more laterally; coxa of pereopod 5 forming right angle backward; posterior margin on epimeral plate 3 with 15 or more teeth; telson lobes inner margin concave....................................................................................... B. rectangulata ( Shoemaker, 1926)

6A- Palmar margin of gnathopod 2 propodus nearly transverse................................................... 14

6B- Palmar margin of gnathopod 2 propodus oblique............................................................ 7

7A- Gnathopod 2 propodus as long as carpus.................................................................. 8

7B- Gnathopod 2 propodus longer or shorter than carpus......................................................... 9

8A- Cephalic lobe pointed; pereopods 3–4 carpus and propodus posterior margin covered with long plumose setae; basis of pereopod 7 posterior margin without slit..................................................... B. lobata ( Shoemaker, 1926)

8B- Cephalic lobe rounded; pereopods 3–4 carpus and propodus posterior margin without long plumose setae; basis of pereopod 7 with slit on posterior margin................................................. B. susurrator J. L. Barnard, 1969

9A- Pereopod 3 carpus and propodus posterior margins covered with long plumose setae; pereopods 3-4 propodus posterodistal fissure absent................................................................. B. catharinensis Müller, 1865

9B- Pereopod 3 carpus and propodus posterior margins covered with scarce long setae; pereopods 3-4 propodus posterodistal fissure present................................................................... B. floreshiguerai sp. nov.

10A- Dorsal surface of body with posterodorsal process only on pleonite 1........................ B. bousfieldi ( Ortiz, 1991)

10B- Dorsal surface of body with posterodorsal process at least on pleonites 1 and 2................................... 11

11A- Dorsal surface of body with posteodorsal process on pereonite 7 and pleonites 1–3, of which the last one small...................................................................................... B. aldebaranae Coleman, 2011

11B- Dorsal surface of body with dorsal process on pleonites 1 and 2............................................... 12

12A- Coxa of gnathopod 2 rectangular or more deep than wide.................................................... 13

12B- Coxa of gnathopod 2 triangular................................................ B. conductor J. L. Barnard, 1969

13A- Pereopod 4, posterior lobe of basis short, posterior margin with right angle....................... B. campi ( Ortiz, 1991)

13B- Pereopod 4, posterior lobe of basis large, posterior margin convex....................... B. carinata ( Shoemaker, 1926)

14A- Pereopod 5 basis posteroventral lobe present; article 2 of pereopods 4-5 wide............. B. transversa Shoemaker, 1926

14B- Pereopod 5 basis posteroventral lobe absent; article 2 pereopods 4-5 narrow................. B. coyoa J. L. Barnard, 1969