Family CAMPTANDRIIDAE Stimpson, 1858

<em>Cleistostoma mcneilli</em> [from Ward 1933: pl. 21 fig. 1]

Cleistostoma mcneilli [from Ward 1933: pl. 21 fig. 1]

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Family CAMPTANDRIIDAE Stimpson, 1858

Compiler and date details

May 2012 - Peter Davie, Queensland Museum, Brisbane

Camptandriidae Stimpson, W. 1858. Crustacea Ocypodoidea: Prodromus descriptionis animalium evertebratorum, quae in Expeditione ad Oceanum Pacificum Septentrionalem, a Republica Federata missa, Cadwaladaro Ringgold et Johanne Rodgers Ducibus, observavit et descripsit W. Stimpson. Pars V. Proceedings of the Academy of Natural Sciences, Philadelphia 10: 93-110 [page numbers 39–56 on separate reprint] [106].
Cleistotomatini Pretzmann, G. 1977. Die Macrophthalminae des Zoologischen Instituts und Zoologischen Museums der Universität Hamburg. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut 74: 65-67 pl. 7 [66].

Taxonomic Decision for Synonymy

Davie, P. 2002. Crustacea: Malacostraca: Eucarida (Part 2): Decapoda—Anomura, Brachyura. In Wells, A. & Houston, W.W.K. (eds) Zoological Catalogue of Australia. Vol. 19.3B. Melbourne : CSIRO Publishing, Australia xiv 641 pp. [130]

Introduction

This small family was first recognised in 1858, but later was synonymised with the Macrophthalminae. Subsequently, Serène & Kumar (1971) and Serène (1974) resurrected it as a subfamily of the Ocypodidae. Recent opinion (Harminto & Ng 1991; Ng 1998; Guinot & Bouchard 1998; Ng et al. 2008), with which I concur, is that full family status is appropriate, based on the very distinctive recurved form of the male first gonopod. Camptandriids are typically restricted to intertidal muddy estuarine and mangrove environments. Barnes (1967) dealt with the currently recognised Australian species. Manning & Holthuis (1981: 193) reviewed the group and provided a key to genera, but the status of some genera is still in a state of flux. Davie (unpublished data) has noted a number of new records and new species for Australia.

Diagnosis

Carapace generally flattened, laterally oval to subquadrangular or subpentagonal; dorsal surface with regions poorly to well indicated, gastro-cardiac groove usually distinct; anterolateral margins usually toothed or lobed, but sometimes entire. Front more than half width of orbital margin. Buccal cavern broader than long; third maxilliped broad; merus as long as or longer than ischium. Chelipeds more or less equal, large in males, weak in females; dactylus of males usually with a discrete, well-indicated, proximal tooth. Walking legs typically broad, varying from moderate in length to short and stout. Male abdomen with variable number of fused segments, sometimes fifth strongly constricted, such that stem of first gonopod visible externally. Male and female genital openings sternal. Male first gonopod with apex strongly recurved, more or less elaborately lobed, and often swollen; male second gonopod very short.