Lysmata lipkei Okuno & Fiedler, 2010
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publication ID |
https://doi.org/ 10.11646/zootaxa.4903.1.4 |
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publication LSID |
lsid:zoobank.org:pub:25859867-38FE-4D0C-92CC-1C8BEEAC4644 |
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DOI |
https://doi.org/10.5281/zenodo.4422717 |
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persistent identifier |
https://treatment.plazi.org/id/A8763153-4C79-635D-1E8A-FA061BB6AEF5 |
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treatment provided by |
Plazi |
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scientific name |
Lysmata lipkei Okuno & Fiedler, 2010 |
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Lysmata lipkei Okuno & Fiedler, 2010
Zoea I ( Figure 1 View FIGURE 1 )
Size (mean ± s.d.): CL = 0.31–0.40 mm (0.35 ± 0.02 mm); TL = 2.00– 2.31 mm (2.06 ± 0.4 mm).
Carapace ( Figure 1A, B View FIGURE 1 ): Rostrum slender and long, not reaching the end of the antennular peduncle; eyes sessile; anterior dorsomedial papilla present; one pterygostomial spine and four denticles along anterior ventral margin.
Antennule ( Figure 1C View FIGURE 1 ): Peduncle unsegmented, terminally with one long plumose seta and a small process; outer flagellum with one plumose seta, three long aesthetascs and one short aesthetasc that ends in a spoon-shaped membrane on distal margin.
Antenna ( Figure 1D View FIGURE 1 ): Peduncle unsegmented; endopod with one long plumose seta; exopod (scaphocerite) 5- segmented, with nine plumose setae on the inner margin (2, 1, 1, 1, 4), two plumose setae on the outer margin and one simple setae on apex (1, 1, 0, 0, 1).
Mandibles ( Figure 1E View FIGURE 1 ): Asymmetrical; palp absent; incisor and molar processes developed.
Maxillule ( Figure 1F View FIGURE 1 ): Coxal endite with one simple seta, five plumose setae and two sparsely plumose setae; basial endite with five cuspidate setae; endopod unsegmented with one sparsely hardy plumodenticulate seta and one sparsely plumose subterminally and three terminal setae (two sparsely hardy plumodenticulate and one sparsely plumose); microtrichia along inner side of coxal and basial endites.
Maxilla ( Figure 1G View FIGURE 1 ): Coxal endite bilobed with 9 + 4 setae (two sparsely plumose, eight plumose, one papposerrate and two sparsely hardy plumose); basial endite bilobed with 4 + 4 setae (two sparsely plumose, four plumose and two papposerrate); endopod unsegmented with nine setae arranged like 3 + 2 + 1 + 3 (three plumose, two sparsely plumose, three sparsely hardy plumodenticulate and one simple); exopod with five plumose setae; microtrichia along basial endite and exopod.
First maxilliped ( Figure 1H View FIGURE 1 ): Coxa with five setae (four sparsely plumose and one sparsely hardy plumose); basis with 11 setae (two sparsely hardy plumose, two plumodenticulate and seven sparsely plumose); endopod 4- segmented, with 3 (sparsely plumose), 1 (sparsely plumose), 2 (sparsely plumose), 4 (one median simple and three terminal sparsely plumose) setae; exopod unsegmented with one subterminal and three terminal plumose setae).
Second maxilliped ( Figure 1I View FIGURE 1 ): Coxa unarmed; basis with six setae (five sparsely plumose and one simple), arranged like 1 + 2 + 3; endopod 3-segmented, bearing 4 (three simple setae and one sparsely plumose, arranged like 3 + 1), 2 (sparsely plumose), 6 (one subterminal simple seta and five terminal denticulate setae); exopod 4-segmented, bearing 2, 2, 2, 3 plumose setae.
Third maxilliped ( Figure 1J View FIGURE 1 ): Coxa unarmed; basis with two sparsely plumose setae; endopod slightly longer than exopod and 4-segmented, bearing setae arranged like 2 + 1 (simple), 0, 3 (denticulate), 3 (one denticulate, one serrate and one simple) setae; exopod 5-segmented, bearing 2, 2, 2, 3 plumose setae.
First pereiopod ( Figure 1K View FIGURE 1 ): Biramous bud.
Fifth pereiopod: Absent.
Pleon ( Figure 1A, B View FIGURE 1 ): Five pleomeres; fifth pleomere with a pair of dorsolateral spines on posterior margin. Pleopods absent.
Telson ( Figure 1A, B, L View FIGURE 1 ): Triangular, with 7 + 7 setae (outermost two pairs of setae plumose only on inner side); minute spines between and around setae (except outermost pair). Uropods absent.
Zoea II ( Figure 2 View FIGURE 2 )
Size (mean ± s.d.): CL = 0.32–0.39 mm (0.35 ± 0.02 mm); TL = 2.13–2.35 mm (2.26 ± 0.08 mm).
Carapace ( Figure 2A, B View FIGURE 2 ): Eyes stalked, with peduncle longer than antennal peduncle; one pair of supraorbital spines present; otherwise unchanged.
Antennule ( Figure 2C View FIGURE 2 ): Peduncle unsegmented, with three plumose setae distally (one longer than the other two); outer flagellum with three long aesthetascs and one short aesthetasc; otherwise unchanged.
Antenna ( Figure 2D View FIGURE 2 ): Exopod (scaphocerite) 4-segmented, bearing nine plumose setae on inner margin (3, 1, 1, 4), one sparsely plumose seta on outer margin and one simple seta on apex (1, 0, 0, 1); otherwise unchanged.
Mandibles ( Figure 2E View FIGURE 2 ): Incisor and molar processes developed.
Maxillule ( Figure 2F View FIGURE 2 ): Coxal endite with seven setae (one simple seta and six plumose); basial endite with six cuspidate setae; otherwise unchanged.
Maxilla ( Figure 2G View FIGURE 2 ): Coxal endite bilobed with 8 + 4 setae (one sparsely plumose seta, nine plumose and two plumodenticulate); endopod unsegmented with nine setae arranged like 3 + 2 + 1 + 3 (three sparsely plumose, two plumose, three sparsely hardy plumodenticulate and one simple); otherwise unchanged.
First maxilliped ( Figure 2H View FIGURE 2 ): Coxa with four setae (three sparsely plumose and one sparsely hardy plumose); basis with 11 setae (two sparsely hardy plumose, two plumodenticulate and seven sparsely plumose); exopod bearing one subterminal plumose seta and four terminal plumose setae; otherwise unchanged.
Second maxilliped ( Figure 2I View FIGURE 2 ): Basis with six setae (sparsely plumose), arranged like 1 + 2 + 3; first segment of endopod with four setae (three sparsely plumose and one simple, arranged like 3 + 1); otherwise unchanged.
Third maxilliped ( Figure 2J View FIGURE 2 ): Basis with one sparsely plumose seta; endopod 4-segmented, with 2 + 1 (simple setae), 0, 5 (denticulate setae), 3 (one denticulate, one serrate and one simple seta); exopod 5-segmented, bearing 2, 2, 2, 2, 4 plumose setae; otherwise unchanged.
First pereiopod ( Figure 2K View FIGURE 2 ): Biramous bud.
Fifth pereiopod ( Figure 2L View FIGURE 2 ): Uniramous bud.
Pleon ( Figure 2A, B View FIGURE 2 ): Unchanged.
Uropod ( Figure 2M View FIGURE 2 ): Exopod present as bud.
Telson ( Figure 2A, B, M View FIGURE 2 ): Posterior margin with 8 + 8 setae (outermost pair of setae plumose only on inner side); otherwise unchanged.
Zoea III ( Figure 3 View FIGURE 3 )
Size (mean ± s.d.): CL = 0.45–0.50 mm (0.46 ± 0.01 mm); TL = 2.52–2.90 mm (2.80 ± 0.26 mm).
Carapace ( Figure 3A, B View FIGURE 3 ): Unchanged.
Antennule ( Figure 3C View FIGURE 3 ): Peduncle 2-segmented, with the proximal segment bearing a small process and six plumose setae, arranged like 1 + 5, and the distal segment bearing nine setae (seven plumose and two simple); outer flagellum with two long aesthetascs and one long plumose seta terminally; inner flagellum with one long plumose seta terminally.
Antenna ( Figure 3D View FIGURE 3 ): Endopod short and spine-like, with one simple seta; exopod (scaphocerite) 3-segmentad, with 11 plumose setae on inner margin (6, 1, 4), two setae (one simple and one plumose) on outer margin of first segment and one simple seta on apex; otherwise unchanged.
Mandibles ( Figure 3E View FIGURE 3 ): Incisor and molar processes developed.
Maxillule ( Figure 3F View FIGURE 3 ): Coxal endite with seven setae (two sparsely plumose and five plumose); otherwise unchanged.
Maxilla ( Figure 3G View FIGURE 3 ): Coxal endite bilobed with 9 + 4 setae (two sparsely plumose, one sparsely hardy plumose, nine plumose and one plumodenticulate); basial endite bilobed with 4 + 4 setae (four sparsely plumose, two papposerrate and two plumose); endopod unsegmented with nine setae arranged like 3 + 2 + 1 + 3 (four sparsely plumose, four sparsely hardy plumodenticulate and one simple); exopod with eight plumose setae; otherwise unchanged.
First maxilliped ( Figure 3H View FIGURE 3 ): Unchanged.
Second maxilliped ( Figure 3I View FIGURE 3 ): First segment of endopod with three setae (two simple and one sparsely plumose); otherwise unchanged.
Third maxilliped ( Figure 3J View FIGURE 3 ): Basis with two sparsely plumose setae; second segment of endopod with one simple seta; otherwise unchanged.
First pereiopod ( Figure 3K View FIGURE 3 ): Coxa unarmed; basis with one simple seta; endopod 4-segmented, bearing 2 (simple setae), 1 (simple seta), 3 (denticulate setae), 3 (one serrate and two simple setae); exopod 3-segmented, with 2, 2, 4 plumose setae.
Second pereiopod ( Figure 3L View FIGURE 3 ): Biramous bud.
Fifth pereiopod ( Figure 3M View FIGURE 3 ): Uniramous bud.
Pleon ( Figure 3A, B View FIGURE 3 ): Sixth pleomere differentiated from telson; otherwise unchanged.
Uropods ( Figure 3A, B, N View FIGURE 3 ): Biramous; exopods well-developed with nine plumose setae and microtrichia along the margins; endopods small with two short plumose setae apically.
Telson ( Figure 3A, B, N View FIGURE 3 ): Posterior margin with and 7 + 7 plumose setae; lateral margin with one pair of simple setae; otherwise unchanged.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.