''Synsphyronus marinae'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

pseudoscorpion Pseudoscorpions, also known as false scorpions or book scorpions, are small, scorpion-like arachnids belonging to the order Pseudoscorpiones, also known as Pseudoscorpionida or Chelonethida. Pseudoscorpions are generally beneficial to humans bec ...

in the

Garypidae Garypidae is a family of pseudoscorpions, first described by Eugène Simon in 1879. Genera , the ''World Pseudoscorpiones Catalog'' accepts the following eleven genera: * '' Ammogarypus'' Beier, 1962 * '' Anagarypus'' Chamberlin, 1930 * '' Anc ...

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to Australia. It was described in 2021 by Australian

arachnologist Arachnology is the scientific study of arachnids, which comprise spiders and related invertebrates such as scorpions, pseudoscorpions, harvestmen, ticks, and mites. Those who study spiders and other arachnids are arachnologists. More narrowly ...

s Karen Cullen and

Mark Harvey Mark Harvey (born 11 June 1965) is a former Australian rules football player and coach. He played over 200 games during fourteen seasons with the Essendon Football Club, winning three premierships, and was senior coach of Fremantle from 2007 t ...

. The

specific epithet In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...

''marinae'' honours Marina Cheng for her companionship during

Bush Blitz Bush Blitz is a species discovery program conducting scientific surveys in Australian terrestrial and marine environments to document known and new fungi, plants and animals. The program is a partnership between the Government of Australia, Aust ...

expeditions and for her research on

Hemiptera Hemiptera (; ) is an order of insects, commonly called true bugs, comprising more than 80,000 species within groups such as the cicadas, aphids, planthoppers, leafhoppers, assassin bugs, bed bugs, and shield bugs. They range in size from ...

Description

The body lengths of males are 2.89–3.30 mm; those of females are 3.76–4.36 mm. Colouration is generally reddish-brown.

Distribution and habitat

The species occurs in the

Top End The Top End of Australia's Northern Territory is a geographical region encompassing the northernmost section of the Northern Territory, which aside from the Cape York Peninsula is the northernmost part of the Australian continent. It covers a ...

of the

Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...

. The type locality is Herbert Bluff in the

Wongalara Sanctuary Wongalara Sanctuary is a nature reserve in the Top End of the Northern Territory of Australia. Location It is a pastoral lease on the southern border of Arnhem Land, and is south-east of Kakadu National Park. The sanctuary shares a boundary wi ...

, where the pseudoscorpions were found beneath

sandstone Sandstone is a Clastic rock#Sedimentary clastic rocks, clastic sedimentary rock composed mainly of grain size, sand-sized (0.0625 to 2 mm) silicate mineral, silicate grains, Cementation (geology), cemented together by another mineral. Sand ...

rocks.

Behaviour

The pseudoscorpions are

terrestrial Terrestrial refers to things related to land or the planet Earth, as opposed to extraterrestrial. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on o ...

predators Predation is a biological interaction in which one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill ...

References

marinae Endemic fauna of Australia Pseudoscorpions of Australia Arthropods of the Northern Territory Animals described in 2021 Taxa named by Karen Cullen Taxa named by Mark Harvey {{pseudoscorpion-stub