Pasiphaea

Rodrigues, Thaiana G. A. & Cardoso, Irene A., 2019, First record of four Pasiphaea Savigny, 1816 (Crustacea, Decapoda, Pasiphaeidae) species from the southwestern Atlantic, Zootaxa 4560 (2), pp. 321-330 : 329

publication ID

https://doi.org/ 10.11646/zootaxa.4560.2.5

publication LSID

lsid:zoobank.org:pub:CCAA093B-D187-4178-8762-25D12866DFF9

DOI

https://doi.org/10.5281/zenodo.5940662

persistent identifier

https://treatment.plazi.org/id/03BAB566-FF8B-0E4B-FF57-FF37FA05FCAF

treatment provided by

Plazi

scientific name

Pasiphaea
status

 

Key to the deep-sea Pasiphaea View in CoL species of the Southwestern Atlantic

1 Posterior margin of the telson forked or slightly forked....................................................... 2

- Posterior margin of telson truncate........................................................................ 3

2 Rostrum with basal slit................................................................................. 4

- Rostrum without basal slit............................................................................... 5

3 Second and third abdominal somites dorsally carinate. Merus of first pereopod unarmed. Merus of second pereopod with 1 spine on distal third......................................................... Pasiphaea merriami Schmitt, 1931 View in CoL

- Second and third abdominal somites dorsally rounded. Merus of first pereopod with 8–12 spines. Merus of second pereopod with 18–20 spines............................................... Pasiphaea taiwanica Komai et al., 2012 View in CoL ( Fig. 3 View FIGURE 3 )

4 Apex of rostrum not reaching or sometimes overreaching anterodorsal margin of carapace; deeply forked posterior margin of telson. First pereopod with 2–10 spines on merus. Second pereopod with 10–20 spines on merus............................................................................................. Pasiphaea major Hayashi, 2006 View in CoL ( Fig. 2 View FIGURE 2 )

- Apex of rostrum distinctly overreaching anterodorsal margin of carapace; moderately or deeply forked posterior margin of telson. First pereopod with 4–8 spines on merus. Second pereopod with 13–24 spines on merus................................................................................................. Pasiphaea tarda Krøyer, 1845 View in CoL ( Fig. 4 View FIGURE 4 )

5 Apex of rostrum not reaching anterodorsal margin of carapace............ Pasiphaea alcocki ( Wood-Mason, 1891) View in CoL ( Fig. 1 View FIGURE 1 )

- Apex of rostrum reaching anterodorsal margin of carapace..................................................... 6

6 Slightly forked posterior margin of the telson. First pereopod with 3–6 spines on merus. Second pereopod with 10–14 spines on merus............................................................. Pasiphaea antea Rodrigues et al., 2018 View in CoL

- Forked posterior margin of the telson. First pereopod unarmed on merus. Second pereopod with 5 spines on merus.................................................................................... Pasiphaea princeps Smith, 1884 View in CoL

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