Matutidae

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Family of crabs

title: "Matutidae" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["calappoidea", "taxa-named-by-wilhem-de-haan", "decapod-families"] description: "Family of crabs" topic_path: "general/calappoidea" source: "https://en.wikipedia.org/wiki/Matutidae" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Family of crabs ::

| fossil_range = | image = Kinsengani0905-1.jpg | image_caption = Ashtoret lunaris, dorsal side | image2 = Kinsengani0905-2.jpg | image2_caption = Male Ashtoret lunaris, ventral side | display_parents = 6 | taxon = Matutidae | authority = De Haan, 1835 | subdivision_ranks = Genera | subdivision = See text

Matutidae is a family of crabs, sometimes called moon crabs, adapted for swimming or digging. They differ from the swimming crabs of the family Portunidae in that all five pairs of legs are flattened, rather than just the last pair, as in Portunidae. Crabs in the Matutidae are aggressive predators.

Taxonomy

Traditionally, this taxon contained the single genus Matuta, and was considered a subfamily of the Calappidae. Now, the group is ranked as a family and six genera (four extant and two fossil) are now recognised. Although placed in the Calappoidea, it is not clear that Matutidae and Calappidae are closely related.

Image:Ashtoret picta (photo Miguel Ramirez).jpg|Ashtoret picta Image:Specimen of Izanami curtispina.JPG|Izanami curtispina Image:Matuta victor - National Museum of Nature and Science, Tokyo - DSC06764.JPG|Matuta victor Image:Specimen of Matuta planipes.jpg|Matuta planipes

Fossil record

Szaboa is known only from Hungarian fossil deposits of Middle Miocene age. Eomatuta was described from the Middle Eocene of Italy in 2009. Fossils of Ashtoret have also been found in Miocene deposits in Japan.

References

References

  1. (2009). "Matutidae". [[World Register of Marine Species]].
  2. Ria Tan. (October 2008). "Moon crabs, Family Matutidae". [[Wild Singapore]].
  3. (October 9, 2009). "Family MATUTIDAE De Haan, 1835". [[Department of the Environment, Water, Heritage and the Arts]].
  4. (2009). "A classification of living and fossil genera of decapod crustaceans". [[Raffles Bulletin of Zoology]].
  5. Peter K. L. Ng. (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world". [[Raffles Bulletin of Zoology]].
  6. Hiroaki Karasawa. (2002). "First record of a Miocene matutid crab (Crustacea: Decapoda: Brachyura) from Japan". [[Bulletin of the Mizunami Fossil Museum]].
  7. (2009). "''Eomatuta granosa'' n. gen., n. sp. (Decapoda, Brachyura, Matutidae), nuovo crostaceo dell'Eocene dei Monti Berici (Vicenza, Italia settentrionale)". Lavori Società Veneziana di Scienze Naturali.

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calappoideataxa-named-by-wilhem-de-haandecapod-families