Overview

Comprehensive Description

Synonymy

Lauriea Baba, 1971: 51 [type species: Galathea gardineri Laurie, 1926. Gender: feminine]. – Baba 2005: 67 (key).—Baba et al. 2008: 82 (list of species and synonymies).—Macpherson & Baba 2011: 54.—Macpherson & Robainas-Barcia 2013: 139 (key).

Dubious records:

Galathea gardineri Tirmizi, 1966: 177, fig. 2 (Red Sea, 29–55 m).—Lewinsohn, 1969: 112 (no record).
Lauriea gardineri Lewinsohn, 1982: 299, fig. 1 (Gulf of Aqaba (northern Red Sea), 3–81 m).—Kamezaki et al., 1988: 99, with color fig. (Okinawa).—Tirmizi & Javed, 1993: 23, figs 10–11 (western Indian Ocean off Somali Republic, Andaman Islands, 66–177 m).—Baba, 1994: 43, fig. 2 (Madagascar, New Caledonia).—Kato & Okuno, 2001: 88, fig. (Hachijo Island, Japan, 25 m).

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Color

Ground colour of carapace and abdomen whitish, with yellow spots circled by brown at base of rostrum, and at each side of anterolateral, mesogastric and anterior branchial areas; 2 additional spots on abdominal somite 1; setae brownish and whitish. P1-4 whitish and browinsh marbled, some yellow spots circled by brown on P1 merus and carpus; setae whitish.

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Etymology

From the Latin, simulatus, imitate, in reference to the similarity between the new species and L. gardineri.

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Type locality

Vanuatu. SANTO, 15°34.5'S, 167°13.6'E, 3-24 m.

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Type Data

Holotype, ovig. female, MNHN-IU-2010-5290.

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Synonymy

Lauriea simulata Macpherson & Robainas-Barcia, 2013: 146, figs 5, 8B, 9B (Vanuatu, 3-24 m).

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Color

Ground colour of carapace and abdomen brownish or whitish; carapace with one red spot on each side of anterolateral and branchiocardiac area; abdominal somite 1 with pair of red spots, sometimes additional pair on other somites. P1-4 brownish or whitish; P1 with some red spots on dorsal side of merus and carpus; distal half of fingers with transverse red and white bands. P2-4 with 1 or 2 red and white spots on lateral side of each article. Setae whitish and brownish.

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Etymology

From the Latin, puncta, puncture, dot, in reference to the presence of numerous red spots on the carapace, abdomen and pereiopods.

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Type locality

Vanuatu. SANTO, 15°27.8'S, 167°15.7'E, 146-153 m.

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Type Data

Holotype, male, MNHN-IU-2010-5292.

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Synonymy

Lauriea punctata Macpherson & Robainas-Barcia, 2013: 146, figs 4, 8C, 9C, D (Vanuatu, 146-153 m).

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Etymology

The name crucis refers to one of the constellations of the southern hemisphere (Crux, cross).

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Type locality

Vanuatu. SANTO, 15°35.5'S, 167°15.8'E, 32-40 m.

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Type Data

Holotype, male, MNHN-IU-2010-5291.

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Synonymy

Lauriea crucis Macpherson & Robainas-Barcia, 2013: 141, figs 2. (Vanuatu, 32-40 m).

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Color

Ground colour of carapace and abdomen brownish or whitish, without coloured spots. P1-4 brownish or whitish, without coloured bands. Setae whitish and brownish. The colour figures of Kamezaki et al. (1988) and Kato & Okuno (2001) are quite similar to the present material, although additional study of these specimens are necessary to confirm their identity.

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Etymology

From the Latin, adustus, brownish, in reference to the colouration of the new species.

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Type locality

Philippines. Bohol Island, W of Baclayon, 9°35.1'N, 123°51.2'E, 34-82 m.

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Type Data

Holotype, male, NTOU.

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Synonymy

Lauriea adusta Macpherson & Robainas-Barcia, 2013: 139, figs. 1, 8D, 9G-H (Philippines, 34-82 m).

Dubious records:
Galathea gardineri Tirmizi, 1966: 177, fig. 2 (Red Sea, 29-55 m).—Lewinsohn, 1969: 112 (no record).
Lauriea gardineri Lewinsohn, 1982: 299, fig. 1 (Gulf of Aqaba (northern Red Sea), 3-81 m).—Kamezaki et al., 1988: 99, with color fig. (Okinawa).—Tirmizi & Javed, 1993: 23, figs 10-11 (western Indian Ocean off Somali Republic, Andaman Islands, 66-177 m).—Baba, 1994: 43, fig. 2 (Madagascar, New Caledonia).—Kato & Okuno, 2001: 88, fig. (Hachijo Island, Japan, 25 m).

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Distribution

Philippines, Vanuatu and New Caledonia, from intertidal to 120 m.

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Philippines, Papua, Australia (Queensland), Vanuatu and New Caledonia, at 4-200 m.

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Vanuatu, Wallis and Futuna, between 32 and 160 m.

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Madagascar, Philippines and Vanuatu, at 3-158 m.

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Physical Description

Size

Males 1.1-3.6 mm, females 1.3-3.1 mm, ovigerous females from 1.8 mm.

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Males 1.1-3.3 mm, females 1.5-4.3 mm, ovigerous females from 2.5 mm.

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holotype male 2.1 mm, paratype ovig. female 2.2 mm.

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Males 2.0-2.5 mm, females 2.4-3.3 mm, ovigerous females from 2.4 mm.

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Diagnostic Description

Carapace with weak and interrupted transverse striae usually with minute spines and uniramous setae, laterally with some acute spines. Rostrum triangular, with 4 lateral teeth. Frontal margins deeply concave. Abdominal somites unarmed. Telson incompletely subdivided, endopod of uropod much wider than long. Anterior margin of sternite 3 produced forwards. Eyes elongate, cornea not dilated. Article 1 of antennule with 3 distal spines, mesiodistal one smaller than others. Article 1 of antenna with distomesial spine short; article 2 usually with short distomesial and distolateral spines. Mxp3 merus with 2 spines on flexor margin. P1 short and stout, setose. P2–4 short; dactyli curved and strongly biunguiculate. G1 and G2 present.

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Rostrum slightly concave on distal portion, rostral spine and distal-most lateral teeth with straight lateral margins. Eyestalks short, about 1.4–1.5 times longer than wide, exceeding antennal peduncle. Antennular article 1 with distomesial spine/s. Antennal article 1 with ventromesial process overreaching end of article 2; distomesial spine of antennal article 2 reaching end of article 3, or clearly exceeding article 3; peduncle article 2 mesial margin with spines. Peropods 2–4 meri with the extensor margin more or less rounded (in cross-section), lateral side with numerous setose striae. Sternite 3 with anterior margin weakly produced. Ground colour of carapace and abdomen whitish, with some yellow spots circled by brown on carapace and abdomen.

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Rostrum dorsally flattish on distal portion, rostral spine and distal-most lateral teeth with slightly convex lateral margins. Eyestalks short, about 1.4–1.5 times longer than wide, reaching end of antennal peduncle. Antennular article 1 with distomesial spine/s. Antennal article 1 with ventromesial process nearly reaching end of article 2; distomesial spine of antennal article 2 reaching end of article 3; peduncle article 2 mesial margin with spines. Peropods 2–4 meri with the extensor margin more or less rounded (in cross-section), lateral side with numerous setose striae. Sternite 3 with anterior margin medially produced. Ground colour of carapace and abdomen brownish or whitish, with some small red spots on carapace, abdomen and P1–4, pereopod 1 fingers with red and white bands.

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Rostrum dorsally flattish on distal portion, rostral spine and distal-most lateral teeth with slightly convex lateral margins. Eyestalks moderate, about 1.6–1.8 times longer than wide, slightly exceeding antennal peduncle. Antennular article 1 with distomesial spine/s. Antennal article 1 with ventromesial process not exceeding end of article 2; distomesial spine of antennal article 2 clearly exceeding article 3; peduncle article 2 mesial margin with spines. Peropods 2–4 meri with the extensor margin sharply ridged, lateral side with few setose striae. Sternite 3 with anterior margin medially produced.

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Rostrum dorsally flattish on distal portion, rostral spine and distal-most lateral teeth with convex lateral margins. Eyestalks moderate, about 1.6–1.8 times longer than wide, reaching end of antennal peduncle. Antennular article 1 with distomesial spine/s. Antennal article 1 with ventromesial process overreaching end of article 2; distomesial spine of antennal article 2 reaching end of article 3; peduncle article 2 mesial margin with spines. Peropods 2–4 meri with the extensor margin more or less rounded (in cross-section), lateral side with numerous setose striae. Sternite 3 with anterior margin medially produced. Ground colour of carapace and abdomen brownish or whitish, without coloured spots, pereopod 1 fingers without red and white bands.

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Ecology

Habitat

Depth range based on 7 specimens in 2 taxa.
Water temperature and chemistry ranges based on 3 samples.

Environmental ranges
  Depth range (m): 12 - 77
  Temperature range (°C): 24.513 - 28.031
  Nitrate (umol/L): 0.579 - 15.217
  Salinity (PPS): 33.948 - 34.159
  Oxygen (ml/l): 2.605 - 4.588
  Phosphate (umol/l): 0.054 - 0.976
  Silicate (umol/l): 0.667 - 17.255

Graphical representation

Depth range (m): 12 - 77

Temperature range (°C): 24.513 - 28.031

Nitrate (umol/L): 0.579 - 15.217

Salinity (PPS): 33.948 - 34.159

Oxygen (ml/l): 2.605 - 4.588

Phosphate (umol/l): 0.054 - 0.976

Silicate (umol/l): 0.667 - 17.255
 
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Type material collected in coarse muddy sand with large sponges.

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Depth range based on 7 specimens in 2 taxa.
Water temperature and chemistry ranges based on 3 samples.

Environmental ranges
  Depth range (m): 12 - 77
  Temperature range (°C): 24.513 - 28.031
  Nitrate (umol/L): 0.579 - 15.217
  Salinity (PPS): 33.948 - 34.159
  Oxygen (ml/l): 2.605 - 4.588
  Phosphate (umol/l): 0.054 - 0.976
  Silicate (umol/l): 0.667 - 17.255

Graphical representation

Depth range (m): 12 - 77

Temperature range (°C): 24.513 - 28.031

Nitrate (umol/L): 0.579 - 15.217

Salinity (PPS): 33.948 - 34.159

Oxygen (ml/l): 2.605 - 4.588

Phosphate (umol/l): 0.054 - 0.976

Silicate (umol/l): 0.667 - 17.255
 
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:170
Specimens with Sequences:127
Specimens with Barcodes:127
Species:7
Species With Barcodes:7
Public Records:65
Public Species:2
Public BINs:13
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Statistics of barcoding coverage: Lauriea punctata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 27
Species With Barcodes: 1
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Statistics of barcoding coverage: Lauriea simulata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 18
Species With Barcodes: 1
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Statistics of barcoding coverage: Lauriea crucis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
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Statistics of barcoding coverage: Lauriea adusta

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 5
Species With Barcodes: 1
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Barcode data

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Wikipedia

Lauriea

Lauriea is a genus of squat lobsters in the family Galatheidae, containing the following species:[1]

The genus was named in 1971 by Keiji Baba in honour of R. D. Laurie, who discovered the first species.[2]

References

  1. ^ Keiji Baba, Enrique Macpherson, Gary C. B. Poore, Shane T. Ahyong, Adriana Bermudez, Patricia Cabezas, Chia-Wei Lin, Martha Nizinski, Celso Rodrigues & Kareen E. Schnabel (2008). "Catalogue of squat lobsters of the world (Crustacea: Decapoda: Anomura – families Chirostylidae, Galatheidae and Kiwaidae)" (PDF). Zootaxa 1905: 1–220. 
  2. ^ Keiji Baba (1971). "Lauriea, a new genus proposed for Galathea gardineri Laurie (Crustacea, Anomura, Galatheidae)" (PDF). Memoirs of The Faculty of Education, Kumamoto University 19: 51–53. 


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