Find research datasets worth reusing

FIGURE 2 in Calliaxina chalmasii (Brocchi, 1883) comb. nov. (Decapoda: Axiidea: Callianassidae: Eucalliacinae), a ghost shrimp from the Middle Miocene of Europe, with reappraisal of the fossil record of Eucalliacinae

FIGURE 2. Generalized chelae (two distal elements) of Eucalliacine ghost shrimps. Left column: major chela; right column: minor chela, lateral view. A–B, Calliaxina novaebritanniae (Borradaile, 1900); C–D, Eucalliax aequimana (Baker, 1907); E–F, Eucalliax quadracuta (Biffar, 1970); G–H, Calliax doerjesti Sakai, 1999. Sketches after Biffar (1970) (F), Sakai (1999) (G–H), and personal observation. Note that the figures do not consider the presence of setae and intraspecific variations.

FIGURE 10 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 10. Eucalliax pseudorakosensis (Lőrenthey in Lőrenthey & Beurlen, 1929) new combination, articulated major chelae: A, left cheliped (morphotype with tooth), PCMH-005; B, left cheliped (morphotype without tooth), SNM Z-37565; C, right cheliped (morphotype with tooth), KGP-MH DH-034, note partially preserved ischium; D, left cheliped (morphotype with tooth), KGP-MH DH033; E, right merus, PAL 2011.23; F, left cheliped (morphotype with tooth), PAL 2011.28; G–H, right cheliped (morphotype with tooth), KGP-MH DH-039, note serration on the lower margin of merus (H); I, right cheliped (morphotype with tooth), SNM Z-37568; J, right cheliped (morphotype without tooth), SNM Z-37563. All specimens except E and F come from the Dúbravská hlavica locality (Slovakia); E and F come from Mátraverebély-Szentkút (Hungary). All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 11 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 11. Eucalliax pseudorakosensis (Lőrenthey in Lőrenthey & Beurlen, 1929) new combination, in situ preservation: A, specimen SNM Z-21373 representing a burrow structure with remains of three individuals; B, specimen PCMH-006 with remains of two individuals in a horizontal burrow structure; C–D, specimen PCMH-004 representing cheliped and thoracopod association preserved in a burrow button sensu Bishop & Williams (2005). All specimens come from the Dúbravská hlavica locality (Vienna Basin, Slovakia), Middle Miocene. Symbols "a–c" denote specimens as appearing in Table 1 and Table 2 with measurements. All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 9 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 9. Eucalliax pseudorakosensis (Lőrenthey in Lőrenthey & Beurlen, 1929) new combination, minor chelae: A–B, left chela, PCRB-DH025; C, right propodus, PCRB-DH26; D, left chela, PCRB-DH024; E–F, left chela (with articulated carpus), KGP-MH DH070; G, left chela (with articulated carpus), PCRB-DH027; H, right propodus, PCRB-DH028. All specimens come from the Dúbravská hlavica locality (Vienna Basin, Slovakia), Middle Miocene. All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 8 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 8. Eucalliax pseudorakosensis (Lőrenthey in Lőrenthey & Beurlen, 1929) new combination, major chelae (propodi and dactyli): A, left propodus (morphotype with tooth), KGP-MH DH-026; B–C, left chela from outer and inner view (morphotype without tooth), PCRB-DH019; D, left chela (morphotype with tooth), PCRB-DH020; E–G, left chela (morphotype with tooth) from outer and inner view, KGP-MH DH-069, note distal tooth on dactylus (F); H–I, left chela (morphotype with tooth) from outer, inner and upper view, PCRB-DH021; J, left chela (morphotype without tooth), PCRB-DH022, note the partial rotation of dactylus enabling the view of its proximal blunt tooth; K, right propodus (morphotype without tooth), PCRB-DH018; L, right chela (morphotype with tooth), KGP-MH DH-027; M, fragmented left propodus (morphotype without tooth), PCRB- DH017, note faint denticulation on mesial edge of the fixed finger; N, right chela ((morphotype with tooth), PCRB-DH023; O, left propodus (morphotype without tooth), PAL 2011.25, note upper view showing keeled upper margin; P, left propodus (morphotype with tooth), PAL 2011.26; Q, left propodus (morphotype with tooth), PAL 2011.24, note distal view with quadrate opening for dactylus; R, left propodus (morphotype with tooth), PAL 2011.27, note unusually concave lower margin. Specimens A–N come from the Dúbravská hlavica locality (Slovakia); specimens O, Q come from Gyakorló út (Hungary); specimens P, R come from Mátraverebély-Szentkút (Hungary). All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 7 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 7. Eucalliax pseudorakosensis (Lőrenthey in Lőrenthey & Beurlen, 1929) new combination, reconstructions: A, major cheliped of morphotype with tooth; B, major chela of morphotype without tooth; C, variation in the armature of dactylus; D, minor cheliped. All figures are in outer view. Reconstructions are based on several different specimens and are in scale.

FIGURE 6 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 6. Neocallichirus brocchii (Lőrenthey, 1897) new combination, in situ preservation of the specimen KGP-MH DH- 058 (Dúbravská hlavica locality): A, view of the individual (slender morphotype) preserved in a presumed burrow structure; B, minor cheliped; C, major cheliped; D, view from below where both chelipeds can be recognized. Note also the partial preservation of thoracopods P2–P4. All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 3 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 3. Neocallichirus brocchii (Lőrenthey, 1897) new combination, major chelae (propodi and dactyli): A, left chela (robust morphotype), KGP-MH DH001; B, right chela (slender morphotype), PCMH-001; C–D, right chela from inner and outer view (robust morphotype), PCRB-DH008; E, left dactylus, PCRB-DH001; F, left dactylus, PCRB-DH002; G, right dactylus, KGP-MH DH012; H, right dactylus, PCRB-DH004; I, right dactylus, PCRB-DH003; J, left chela (robust morphotype), KGP-MH DH064, note serration on the lower margin (K); L–M, fragmentary right chela (robust morphotype), PCRB-DH005; N, left chela (robust morphotype), SNM Z-37534, note serration on the lower margin (O); P, right chela (slender morphotype), PCRB-DH010, note short carpus; Q, fragmented right chela (slender morphotype), PCMH-003, note occlusal keel on the fixed finger positioned medially; R, right chela (slender morphotype), PCRB-DH007, note occlusal keel on the fixed finger positioned medially; S, fragmented right chela (robust morphotype), PCMH-002, note occlusal keel on the fixed finger positioned laterally; T, right chela, KGP-MH DH-66, note the unusual length/height ratio. All specimens come from the Dúbravská hlavica locality (Vienna Basin, Slovakia), Middle Miocene. All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 4 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 4. Neocallichirus brocchii (Lőrenthey, 1897) new combination, major chelae (carpi and meri): A, left carpus, KGP- MH DH065; B, right carpus, KGP-MH DH060; C, left carpus, PCRB-DH009, note serration on the lower margin (D); E, left articulated merus and carpus, SNM Z-37549; F, left merus, PCRB-DH014; G, right merus, KGP-MH DH052; H, left merus, KGP-MH DH010; I, right merus, PCRB-DH016; J, left merus, PCRB-DH015; K, right merus, SNM Z-37542. All specimens belong to robust morphotype, except "I" being a slender morphotype. All specimens come from the Dúbravská hlavica locality (Vienna Basin, Slovakia), Middle Miocene. All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 5 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 5. Neocallichirus brocchii (Lőrenthey, 1897) new combination, minor chelae (propodi and dactyli): A–B, left chela from outer and inner view, KGP-MH DH067; C, right chela, PCRB-DH013; D, fragmented right chela, PCRB-DH011; E, left dactylus, PCRB-DH012. All specimens come from the Dúbravská hlavica locality (Vienna Basin, Slovakia), Middle Miocene. All specimens are to scale and were covered with ammonium chloride prior to photography.

FIGURE 2 in Redescription of two ghost shrimps (Decapoda: Axiidea: Callianassidae) from the Middle Miocene of the Central Paratethys: systematics, intraspecific variation, and in situ preservation

FIGURE 2. Neocallichirus brocchii (Lőrenthey, 1897) new combination, reconstructions: A, major cheliped of robust morphotype (outer view); B, major cheliped of slender morphotype (outer view); C, minor cheliped (outer view); D–E, distal view of propodus of slender (D) and robust (E) morphotype, note differences in the development of medial keel on the fixed finger; dactyli and fixed finger tips are not depicted; F, variation in the armature of fixed finger; G–H, outer view on merus of robust (G) and slender (H) morphotype. Reconstructions are based on several different specimens; figures A–F are in scale.

FIGURE 5 in A new species of callianassid ghost shrimp of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from southern part of the Russian coast of the Sea of Japan

FIGURE 5. Nihonotrypaea makarovi sp. nov., a—mature male, b–g—non-ovigerous female: a, b—major cheliped; c—minor cheliped; d—second pereopod; e—third pereopod; f—forth pereopod; g—fifth pereopod.

FIGURE 4 in A new species of callianassid ghost shrimp of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from southern part of the Russian coast of the Sea of Japan

FIGURE 4. Nihonotrypaea makarovi sp. nov., major cheliped of males, a, b—cl. 8.0 mm, tl. 38 mm; c—cl. 6 mm, tl. 32 mm; d, e, f—cl. 7.0 mm, tl. 35 mm; g—cl. 9.0 mm, tl. 40 mm: a, d—dorsal and mesiodorsal view, respectively; b, c, e g—lateral outer surface, f—lateral inner surface.

FIGURE 2 in A new species of callianassid ghost shrimp of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from southern part of the Russian coast of the Sea of Japan

FIGURE 2. Nihonotrypaea makarovi sp. nov., mature females, a, b—CL 6.5 mm, TL 30 mm, c - e—CL 8.0 mm, TL 38 mm: a, c—dorsal view, b, d—lateral view, e—carapace and appendages, dorsal view.

FIGURE 3 in A new species of callianassid ghost shrimp of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from southern part of the Russian coast of the Sea of Japan

FIGURE 3. Nihonotrypaea makarovi sp. nov., a, b, d–g—mature male, c, h, i—mature female: a—front of carapace, lateral view; b, c—front of carapace, dorsal view; d—third maxilliped; e—telson and uropods; e, g—third pleopod; f, h—same, appendix interna.

FIGURE 1 in A new species of callianassid ghost shrimp of the genus Nihonotrypaea Manning & Tamaki, 1998 (Crustacea, Decapoda, Axiidea, Callianassidae) from southern part of the Russian coast of the Sea of Japan

FIGURE 1. Nihonotrypaea makarovi sp. nov., males, a, b—CL 8.0 mm, TL 38 mm, c–e—CL 9.0 mm, TL 40 mm: a, c— dorsal view, b, d—lateral view, e—carapace and appendages, dorsal view.

FIGURE 16 in Two new species of ghost shrimp assigned to the genus Cheramus Spence Bate, 1888 (Crustacea: Decapoda: Axiidea: Callianassidae) from the Ryukyu Islands, Japan

FIGURE 16. Cheramus acutirostella (Sakai, 1988) n. comb., holotype, female (cl 4.5 mm), NTM Cr. 000786. A, telson, dorsal view; B, second segment of left antennal peduncle and scaphocerite, dorsal view; C, endopod of right uropod, dorsal view (setae omitted). Scale bar: 1 mm (not given for C). Reproduced from sketch made by G. C. B. Poore.

FIGURE 15. Cheramus ohuranus n in Two new species of ghost shrimp assigned to the genus Cheramus Spence Bate, 1888 (Crustacea: Decapoda: Axiidea: Callianassidae) from the Ryukyu Islands, Japan

FIGURE 15. Cheramus ohuranus n. sp., holotype, ovigerous female (cl 4.6 mm), CBM-ZC 12568. showing coloration in life. A, entire animal, dorsal view; B, same, lateral view.

FIGURE 13. Cheramus ohuranus n in Two new species of ghost shrimp assigned to the genus Cheramus Spence Bate, 1888 (Crustacea: Decapoda: Axiidea: Callianassidae) from the Ryukyu Islands, Japan

FIGURE 13. Cheramus ohuranus n. sp., holotype, ovigerous female (cl 4.6 mm), CBM-ZC 12568. A, major (left) cheliped, lateral view; B, same, carpus and chela, mesial view; C, minor (right) cheliped, lateral view; D, same, carpus and chela, mesial view. Scale bar: 1 mm.

FIGURE 14. Cheramus ohuranus n in Two new species of ghost shrimp assigned to the genus Cheramus Spence Bate, 1888 (Crustacea: Decapoda: Axiidea: Callianassidae) from the Ryukyu Islands, Japan

FIGURE 14. Cheramus ohuranus n. sp., holotype, ovigerous female (cl 4.6 mm), CBM-ZC 12568. A, left second pereopod, lateral view; B, left third pereopod, lateral view; C, same, propodus and dactylus, mesial view; D, left fourth pereopod, lateral view; E, same, propodus and dactylus, mesial view (setae partially omitted); F, right fifth pereopod, lateral view. Scale bars: 1 mm for A, B, D–F; 0.5 mm for C.