A new genus and species of pinnotherid crab from Karachi, northern Arabian Sea (Crustacea, Decapoda, Brachyura)

Kazmi, Quddusi B.; Manning, Raymond B.

doi:10.1080/00222930110108353

Cited by 472 publications

(15 citation statements)

References 2 publications

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“…A quick survey of the available taxonomic literature reveals more species that possess the small denticles on the cutting edges of the chelae: Pinnotheres haiyangensis Shen, 1932, P. dilatatus Shen, 1932, and P. luminatus Tai et al, 1980, were all illustrated by Tai and Yang [74] with small denticles on the inner surface of both the pollex and the movable finger. More recently, Sindheres karachiensis Kazmi & Manning, 2003, was illustrated and described with special attention to the denticles, looking similar to those mentioned above [105]. A thorough survey of these and other species is needed to confirm if the row of denticles is homologous to the row found in Pinnotheres pisum, P. pectunculi and Nepinnotheres pinnotheres, and whether this character is present in more pinnotherine species.…”

Section: Cheliped Morphologymentioning

confidence: 91%

“…A common associated feature with such elongated chelae is a setal ornamentation of the inner surface of the palm and pollex. This brush-like row of setae can be found in female specimens of many genera associated with bivalves: Abyssotheres, Afropinnotheres, Amusiotheres, Arcotheres, Austrotheres, Bonita, Fabia ( Figure 6C), Gemmotheres, Discorsotheres, Durckheimia, Latatheres, Nannotheres, Nepinnotheres (but not N. pinnotheres), Pinnotheres ( Figure 6D), Sindheres, Tacitotheres, Viridotheres, Visayeres, Xanthasia, Waldotheres, and Zaops [7,12,15,16,19,27,30,31,54,60,61,[102][103][104][105]. This adaptive feature can also be found in two genera associated with gastropods, Ernestotheres and Calyptraeotheres [7,89], and in the sea urchin-associated Dissodactylus latus Griffith, 1987 [93].…”

Section: Cheliped Morphologymentioning

confidence: 99%

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A Review of the Ecomorphology of Pinnotherine Pea Crabs (Brachyura: Pinnotheridae), with an Updated List of Symbiont-Host Associations

Gier

Becker

2020

Diversity

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Almost all pea crab species in the subfamily Pinnotherinae (Decapoda: Brachyura: Pinnotheridae) are considered obligatory endo- or ectosymbionts, living in a mutualistic or parasitic relationship with a wide variety of invertebrate hosts, including bivalves, gastropods, echinoids, holothurians, and ascidians. While the subfamily is regarded as one of the most morphologically adapted groups of symbiotic crabs, the functionality of these adaptations in relation to their lifestyles has not been reviewed before. Available information on the ecomorphological adaptations of various pinnotherine crab species and their functionality was compiled in order to clarify their ecological diversity. These include the size, shape, and ornamentations of the carapace, the frontal appendages and mouthparts, the cheliped morphology, the ambulatory legs, and the reproductive anatomy and larval characters. The phylogenetic relevance of the adaptations is also reviewed and suggestions for future studies are made. Based on an updated list of all known pinnotherine symbiont–host associations and the available phylogenetic reconstructions, it is concluded that, due to convergent evolution, unrelated species with a similar host interaction might display the same morphological adaptations.

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Section: Cheliped Morphologymentioning

confidence: 91%

Section: Cheliped Morphologymentioning

confidence: 99%

A Review of the Ecomorphology of Pinnotherine Pea Crabs (Brachyura: Pinnotheridae), with an Updated List of Symbiont-Host Associations

Gier

Becker

2020

Diversity

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“…Scale = 0.01 mm. Sakai (1969), Schmitt et al (1973), Campos (1989aCampos ( , b, 1990Campos ( , 1993Campos ( , 1996aCampos ( , b, 1999Campos ( , 2001Campos ( , 2002, Campos & Griffith (1990), Manning (1993aManning ( , 1993bManning ( , 1996Manning ( , 1998, Manning & Felder (1996), Manning & Galil (2000), Campos & Manning (2001), Kazmi & Manning (2003), Ng & Manning (2003), Ahyong & Ng (2005, 2007a, b, 2008 and Ng et al (2008). ?X = Tentative assignment.…”

Section: Reappraisal Of the Subfamily Pinnotherinae De Haan 1833mentioning

confidence: 99%

“…Pinnotherinae Kazmi & Manning, 2003X Serenotheres Ahyong & Ng, 2003X Tridacnatheres Ahyong & Ng, 2005X Tumidotheres Campos, 1989X Tunicotheres Campos, 1996 to be continued.…”

Section: Genusmentioning

confidence: 99%

A new species and two new genera of pinnotherid crabs from the northeastern Pacific Ocean, with a reappraisal of the subfamily Pinnotherinae de Haan, 1833 (Crustacea: Brachyura: Pinnotheridae)

Campos

2009

Zootaxa

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Two monotypic genera, Enigmatheres new genus, and Bonita new genus, are described to receive Fabia canfieldi Rathbun, 1918, and Bonita mexicana new species respectively. Enigmatheres can be distinguished from other Pinnotheridae by the third maxilliped having a gently curved outer margin, with a carpus that is larger than the conical propodus and a dactylus that is inserted on the middle third of the ventral margin of the propodus, walking legs 2 that are asymmetrical in length and the dactyli of walking legs 1, 3 and 4 that are short, slender, conical, slightly curved up to hooked and hard tip. Bonita can be distinguished from other Pinnotheridae by the presence of two sulci on the carapace, protruding anterolateral margins of the carapace, walking leg 3 asymmetrical in length and larger than other walking legs, and walking leg 4 with a clavate propodus. These two new genera and 25 additional ones (nine with hesitation), including Pinnotheres Bosc, 1802 (type genus of Pinnotherinae de Haan, 1833), share a carapace that is soft and thin, walking legs 1-4 that are slender and feeble, antennae with a protuberance on the basal segment and the known zoea larvae being very similar, particularly with an abdomen that widens from somite 1 to 5 and a telson that is laterally convex and posteriorly trilobed. These adult and larval shared features support the monophyly of these genera and clearly diagnose the subfamily Pinnotherinae de Haan, 1833 sensu stricto.

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“…The only published record is that of a new species of pinnotherid crab from an unidentified species of Gastrochaena by Kazmi & Manning (2003). The present, probably juvenile, shrimp specimen is most likely a representative of the genus Anchistus.…”

Section: Introductionmentioning

confidence: 87%

First record of a pontoniine shrimp (Caridea, Palaemonidae) in association with a boring bivalve of the genus Spengleria (Bivalvia, Euheterodonta, Gastrochaenidae)

Fransen

Meij

2010

Crustac

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During fieldwork in Raja Ampat, West Papua, Indonesia, in 2007, a pontoniine shrimp, most likely belonging to the genus Anchistus, was collected from a coral boring bivalve of the genus Spengleria. This is the first record of a pontoniine shrimp living in association with a boring bivalve. As it probably concerns a juvenile shrimp, its identity remains unclear. Its affinities with the Indo-West Pacific mollusc-associated genera and with congenerics are discussed. RÉSUMÉAu cours d'un travail de terrain dans le Raja Ampat, Papouasie occidentale, Indonésie, en 2007, une crevette Pontoniinae, probablement appartenant au genre Anchistus, a été collectée dans un bivalve creusant le corail du genre Spengleria. C'est le premier enregistrement d'une crevette Pontoniinae vivant en association avec un bivalve perforant. Comme il s'agit probablement d'une crevette juvénile, son identité reste incertaine. Ses affinités avec les genres de l'Indo-Ouest Pacifique associés aux mollusques, et avec les congénères sont discutées.

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A new genus and species of pinnotherid crab from Karachi, northern Arabian Sea (Crustacea, Decapoda, Brachyura)

Cited by 472 publications

References 2 publications

A Review of the Ecomorphology of Pinnotherine Pea Crabs (Brachyura: Pinnotheridae), with an Updated List of Symbiont-Host Associations

A Review of the Ecomorphology of Pinnotherine Pea Crabs (Brachyura: Pinnotheridae), with an Updated List of Symbiont-Host Associations

A new species and two new genera of pinnotherid crabs from the northeastern Pacific Ocean, with a reappraisal of the subfamily Pinnotherinae de Haan, 1833 (Crustacea: Brachyura: Pinnotheridae)

First record of a pontoniine shrimp (Caridea, Palaemonidae) in association with a boring bivalve of the genus Spengleria (Bivalvia, Euheterodonta, Gastrochaenidae)

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