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Figure 1 in Two new decapod (Crustacea: Malacostraca) complete mitochondrial genomes: bearings on the phylogenetic relationships within the Decapoda

Figure 1. Mitochondrial genome maps of Alpheus distinguendus and Panulirus ornatus. Protein-coding genes in the majority strand (J strand) are transcribed in a clockwise direction, except for those in the minority strand (N strand) indicated by underlining. The two ribosomal RNA genes are encoded by the N strand. All the darkly coloured transfer RNA (tRNA) genes encoded by the J and N strand are presented outside and inside the circular gene map, respectively. The tRNA genes are given as single-letter amino acid codes, except those encoding leucine and serine, which are labelled L1 (trnL(CUN)) and L2 (trnL (UUR)), and as S1 (trnS(AGN)) and S2 (trnS(UCN)), respectively. Numbers inside the circles represent the size of the fragments separating two adjacent genes (positive values) or the amount of shared nucleotides between two overlapping genes (negative values).

Figure 3 in Two new decapod (Crustacea: Malacostraca) complete mitochondrial genomes: bearings on the phylogenetic relationships within the Decapoda

Figure 3. The secondary structures of the noncoding regions in the mt genome of Panulirus ornatus and Panulirus japonicus are labelled by A and B, respectively. The duplicate 89 bp sequences in the noncoding region of P. ornatus are compared in their secondary structures by arrows pointing to four numbers i.e. 1, 89, 428, and 516 sites in A, which correspond to Repeat sequence 1 and 2 (RS1 & RS2), in C.

Figure 2 in Two new decapod (Crustacea: Malacostraca) complete mitochondrial genomes: bearings on the phylogenetic relationships within the Decapoda

Figure 2. Comparisons amongst the putative secondary structures for functional trnR (CGA) (A) and pseudogene-like trnS (AGN) (B) from the mitochondrial (mt) genome of Alpheus distinguendus, and the functional trnS (AGN) (C) from the mt genome of Panulirus ornatus. AU/GC pairs are indicated by dashes and GU bonds are indicated by dots. The nucleotide base located in the third codon positions of pseudogene-like trnS (AGN) is G instead of the usual base U, which is indicated by an arrow.

Figure 4 in Two new decapod (Crustacea: Malacostraca) complete mitochondrial genomes: bearings on the phylogenetic relationships within the Decapoda

Figure 4. Phylogenetic analyses of the nucleotide sequence (A) and amino acid datasets (B) derived from the Decapoda using the maximum likelihood (ML) analyses and Bayesian inferences (BI), respectively. Bayesian posterior probability (BPP) and bootstrap support (BP) of each node are denoted by the asterisk indicating the well-supported values (BPP = 1.00 and simultaneously BP> 90), or otherwise are presented directly. The phylogram shown is from BI except that the a' clade was based on amino acid datasets from ML analyses. Scale bars represent 0.1 mutations per site.

FIGURE 2 in A further new species of Palaemonella Dana, 1852 from the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Palaemonidae)

FIGURE 2. Palaemonella yalla sp. nov., holotype, ovigerous female (pocl 3.9 mm, cl 5.2 mm), Thuwal, Saudi Arabia, FLMNH UF 71446: A, right first pereiopod, lateral; B, same, distal portion of carpus and chela, mesial; C, right second pereiopod, lateral; D, same, distal portion of merus, latteral; E, same, distal portion of carpus, lateral; F, same, distal portion of carpus, mesial; G, same, chela, lateral; H, same, chela fingers slightly open, lateral; I, right third pereiopod, lateral; J, same, distal portion of propodus and dactylus, lateral; K, right fourth pereiopod, lateral; L, right fifth pereiopod, lateral; M, same, distal portion of propodus and dactylus, mesial. Scales are in mm.

FIGURE 4 in A further new species of Palaemonella Dana, 1852 from the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Palaemonidae)

FIGURE 4. Habitat of Palaemonella yalla sp. nov.: A, type locality, shallow near-shore sandflat with some rocks, coral rubble and patchy seagrass near Thuwal, Red Sea coast of Saudi Arabia, with one of the authors filling a collection vial with water; B, collection locality of the non-type specimen, shallow tidal sandflat with living massive corals and coral rubble on the eastern coast of Masirah Island, Oman. Photographs by A. Anker.

FIGURE 1 in A further new species of Palaemonella Dana, 1852 from the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Palaemonidae)

FIGURE 1. Palaemonella yalla sp. nov., holotype, ovigerous female (pocl 3.9 mm, cl 5.2 mm), Thuwal, Saudi Arabia, FLMNH UF 71446 [A–O]: A, anterior region of carapace and cephalic appendages, dorsal; B, same, lateral; C, carapace, lateral; D, pleon, posterior pleonites, lateral; E, telson, dorsal; F, same, posterior margin, dorsal; G, right mandible, mesial (molar process broken); H, right maxillule, lateral; I, right maxilla, lateral; J, right first maxilliped, lateral; K, right second maxilliped, lateral; L, same, detail of epipod and podobranch, mesial; M, right third maxilliped, ventrolateral; N, same, detail of antepenultimate article, lateral; O, right uropod, dorsal; non-type, ovigerous female (pocl 3.4 mm, cl 5.6 mm), Masirah Island, Oman, FLMNH UF 71445 [P]: rostrum, lateral. Scales are in mm.

FIGURE 3 in A further new species of Palaemonella Dana, 1852 from the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Palaemonidae)

FIGURE 3. Palaemonella yalla sp. nov., living shrimps in dorsal view; A, holotype, ovigerous female (pocl 3.9 mm, cl 5.2 mm), Thuwal, Saudi Arabia, FLMNH UF 71446; B, non-type, ovigerous female (pocl 3.4 mm, cl 5.6 mm), Masirah Island, Oman, FLMNH UF 71445. Photographs by A. Anker.

FIGURE 15 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 15. Pseudathanas banneri (Kazmi & Kazmi, 2010) comb. nov., male (cl 6.7 mm) from Muscat, Oman (FLMNH UF 68864); a, right cheliped (drawn in situ), lateral; b, same, carpus and chela, mesial; c, left cheliped, distal portion of ischium, merus and carpus (drawn in situ), lateral.

FIGURE 12 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 12. Athanopsis dawa sp. nov., holotype, female (cl 4.4 mm) from Masirah Island, Oman (FLMNH UF 71424) [a, b] and species' habitat [c]; a, shrimp in life, lateral (left side); b, same, dorsal; c, type locality, sandflat with some seagrass and coral rubble, near Dafiyat, Masirah Island, Oman. Photographs by the author [a, b] and Gustav Paulay [c].

FIGURE 11 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 11. Athanopsis dawa sp. nov., holotype, female (cl 4.4 mm) from Masirah Island, Oman (FLMNH UF 71424), right cheliped, lateral; b, same, mesial; c, same, carpus and chela, mesial; d, same, chela fingers closed, mesial; e, same, chela fingers open, mesial; f, second pereiopod, lateral; g, third pereiopod, lateral; h, same, distal portion of carpus, propodus and dactylus, mesial; i, distal portion of propodus and dactylus, lateral; j, fourth pereiopod, lateral; k, same, distal portion of carpus, propodus and dactylus, mesial; l, fifth pereiopod, lateral; m, same, distal portion of carpus, propodus and dactylus, mesial; n, same, distal portion of propodus and dactylus, lateral

FIGURE 9. Athanopsis saurus Anker, 2011 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 9. Athanopsis saurus Anker, 2011, male (cl 4.3 mm) from Pouébo, New Caledonia (MNHN-IU-2018-974) [a–e] and its host [f]; a, shrimp in life, lateral (left side); b, same, dorsal; c, d, e, shrimp on various areas of the host (see f); f, burrowing echiuran, probably Ochetostoma sp. (Thalassematidae), with commensal bivalves attached to the trunk (two of them also visible in c). Photographs by the author.

FIGURE 8 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 8. Athanopsis brevirostris Banner & Banner, 1981, ovigerous female (cl 5.0 mm) from Thuwal, Saudi Arabia (FLMNH UF 71444) [a, b] and its host [c]; a, shrimp in life, lateral (right side); b, same, dorsal; c, burrowing echiuran, probably Ochetostoma sp. or Listriolobus sp. (Thalassematidae), photographed shortly after death. Photographs by the author.

FIGURE 7 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 7. Athanas parvus De Man, 1910, male (cl 2.9 mm) from Masirah Island, Oman (FLMNH UF 71418); a, shrimp in life, lateral (left side); b, dorsal. Photographs by the author.

FIGURE 13. Athanopsis rubricinctuta Berggren, 1991 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 13. Athanopsis rubricinctuta Berggren, 1991, male (cl 5.4 mm) from Masirah Island, Oman (FLMNH UF 71437) [a, b]; male (cl 5.8 mm) from the same locality (FLMNH UF 71443) [c]; a, shrimp in life, lateral (right side); b, same, dorsal; c, shrimp in life (different individual), lateral (left side). Photographs by the author.

FIGURE 6 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 6. Athanas minikoensis Coutière, 1903, ovigerous female (cl 3.2 mm) from Masirah Island, Oman (FLMNH UF 71422); a, shrimp in life, lateral (right side); b, same, lateral (left side); c, same, dorsal. Photographs by the author.

FIGURE 2 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 2. Athanas claereboudti sp. nov., paratype, male (cl 4.1 mm) from Bandar Khayran, Oman (FLMNH UF 63930) [a–d]; paratype, male (cl 4.9 mm) from Masirah Island, Oman (FLMNH UF 71414) [e–h]; a, left (minor) cheliped, mesial; b, same, lateral; c, same, chela with fingers open, mesial; d, right (major) cheliped, coxa and basis, lateral; e, right (major) cheliped (drawn in situ), mesial; f, same, lateral; g, distal portion of merus, carpus and chela, lateral; h, same, chela fingers, lateral.

FIGURE 4 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 4. Athanas cf. dentirostris Anker, Jeng & Chan, 2001, male (cl 4.4 mm) from Masirah Island, Oman (FLMNH UF 71432); a, shrimp in life, lateral (right side); b, same, lateral (left side); c, same, dorsal. Photographs by the author.

FIGURE 1 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 1. Athanas claereboudti sp. nov., paratype, male (cl 4.1 mm) from Bandar Khayran, Oman (FLMNH UF 63930), a, carapace, lateral; b, frontal region, dorsal; c, same, lateral; d, posterior portion of pleon and telson, lateral; e, telson, dorsal; f, tooth of ventromesial carina of first article of antennular peduncle, lateral; g, antennal scaphocerite, dorsal; h, third maxilliped, lateral; i, second pereiopod, lateral; j, third pereiopod, lateral; k, fourth pereiopod, lateral; l, fifth pereiopod, lateral; m, appendix masculina and appendix interna of second pleopod, anterior (lateral); n, uropod, dorsal (marginal setae omitted).

FIGURE 3 in Alpheid shrimps of the genera Athanas Leach, 1814, Athanopsis Coutière, 1897 and Pseudathanas Bruce, 1983 of the coasts of the Arabian Peninsula (Malacostraca: Decapoda: Caridea)

FIGURE 3. Athanas claereboudti sp. nov., holotype, male (cl 5.0 mm) from Masirah Island, Oman (FLMNH UF 71417); a, shrimp in life, lateral (left side); b, same, lateral (right side); c, same, dorsal. Photographs by the author.