Exosphaeroma pentcheffi

Last updated

Exosphaeroma pentcheffi
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Isopoda
Family: Sphaeromatidae
Genus: Exosphaeroma
Species:
E. pentcheffi
Binomial name
Exosphaeroma pentcheffi
Wall, Bruce & Wetzer, 2015

Exosphaeroma pentcheffi is a species of marine isopod of the family Sphaeromatidae.

Contents

Description

This species lacks strong sexual dimorphism, with both sexes possessing prominent dorsal tubercles. The largest male specimen measured 6.8 mm, while the largest female measured 4.6 mm. [1]

Distribution and habitat

This species is known to inhabit the intertidal zone of the Palos Verdes Peninsula, Los Angeles, California. [1]

Taxonomy

Exosphaeroma pentcheffi is named for Natural History Museum of Los Angeles County researcher N. Dean Pentcheff. Pentcheff led the field trip for an invertebrate zoology lab course at Loyola Marymount University during which the species was discovered. [1]

Related Research Articles

<span class="mw-page-title-main">Los Angeles</span> Most populous city in California, United States

Los Angeles, often referred to by its initials L.A., is the most populous city in the U.S. state of California. With an estimated 3,820,914 residents within the city limits as of 2023, it is the second-most populous city in the United States, behind only New York City; it is also the commercial, financial and cultural center of Southern California. Los Angeles has an ethnically and culturally diverse population, and is the principal city of a metropolitan area of 12.8 million people (2023). Greater Los Angeles, which includes the Los Angeles and Riverside–San Bernardino metropolitan areas, is a sprawling metropolis of over 18.3 million residents.

<span class="mw-page-title-main">Los Angeles County, California</span> Most populous county in the US and California

Los Angeles County, officially the County of Los Angeles and sometimes abbreviated as L.A. County, is the most populous county in the United States, with 9,663,345 residents estimated in 2023. Its population is greater than that of 40 individual U.S. states. Comprising 88 incorporated cities and many unincorporated areas within a total area of 4,083 square miles (10,570 km2), it is home to more than a quarter of Californians and is one of the most ethnically diverse U.S. counties. The county's seat, Los Angeles, is the second most populous city in the United States, with 3,820,914 residents estimated in 2023. The county has been world-renowned as the domicile of the U.S. motion picture industry since the latter's inception in the early 20th century.

<span class="mw-page-title-main">1994 Northridge earthquake</span> Earthquake in Los Angeles, California

The 1994 Northridge earthquake affected the Los Angeles area of California on January 17, 1994, at 04:30:55 PST. The epicenter of the moment magnitude 6.7 blind thrust earthquake was beneath the San Fernando Valley. Lasting approximately 8 seconds and achieving the largest peak ground acceleration of over 1.7 g, it was the largest earthquake in the area since 1971. Shaking was felt as far away as San Diego, Turlock, Las Vegas, Richfield, Phoenix, and Ensenada. Fifty-seven people died and more than 9,000 were injured. In addition, property damage was estimated to be $13–50 billion, making it among the costliest natural disasters in U.S. history.

<span class="mw-page-title-main">Striped polecat</span> Species of mustelid mammal from sub-Saharan Africa

The striped polecat, also called the African polecat, zoril, zorille, zorilla, Cape polecat, and African skunk, is a member of the family Mustelidae that resembles a skunk. The name "zorilla" comes from the Spanish word "zorillo", meaning "skunk", itself a diminutive form of the Spanish "zorro," "fox." It lives predominantly in dry and arid climates, such as the savannahs and open country of Central, Southern, and sub-Saharan Africa, excluding the Congo Basin and the more coastal areas of West Africa.

<span class="mw-page-title-main">Bouquet Reservoir</span> Reservoir in the Sierra Pelona of Los Angeles County, California, United States

Bouquet Reservoir is an artificial lake in the Angeles National Forest of Los Angeles County, California about 15 miles (24 km) west from Palmdale.

<span class="mw-page-title-main">Sphaeromatidae</span> Family of crustaceans

Sphaeromatidae is a family of isopods, often encountered on rocky shores and in shelf waters in temperate zones. The family includes almost 100 genera and 619 known marine species. Within these genera, there are groups that share distinctive morphologies; further research may reclassify these genus-groups as separate families.

<span class="mw-page-title-main">Bristol Lucifer</span> 1910s British piston aircraft engine

The Bristol Lucifer was a British three-cylinder, air-cooled, radial engine for aircraft. Built in the UK in the 1920s by the Bristol Aeroplane Company, it produced 100 horsepower (75 kW).

<i>Andinobates altobueyensis</i> Species of frog

Andinobates altobueyensis is a species of frog in the family Dendrobatidae. It is endemic to Alto del Buey mountain in the Serranía del Baudó range, in the Chocó Department of western Colombia. Its common names include Alto de Buey poison frog, golden poison-arrow frog, and golden poison frog.

<i>Bolitoglossa pandi</i> Species of salamander

Bolitoglossa pandi is a species of salamander in the family Plethodontidae. It is endemic to the Cundinamarca Department of Colombia and only known from three locations on the western slopes of the Cordillera Oriental, including its type locality, Pandi; it is named after the type locality where it had been collected 50 years before being described as a new species in 1963.

<span class="mw-page-title-main">Cheiragonidae</span> Family of crabs

Cheiragonidae is a small family of crabs, sometimes called helmet crabs, placed in its own superfamily, Cheriagonoidea. It comprises three extant species, Erimacrus isenbeckii, Telmessus acutidens and Telmessus cheiragonus, there are no yet evidences of Cheiragonidae in the fossil record. Many of these crabs were formerly treated as members of the Atelecyclidae.

<i>Cardisoma crassum</i> Species of crab

Cardisoma crassum, known as the mouthless crab, is a species of terrestrial crab found in the coastal tropical eastern Pacific from Baja California to Peru.

<span class="mw-page-title-main">Bresilioidea</span> Superfamily of crustaceans

Bresilioidea is a superfamily of shrimp. It is likely to be an artificial group, containing five families which may or may not be related.

Paraetisus globulus is a species of crab in the family Xanthidae, the only species in the genus Paraetisus. It was described in 1933 by Charles Melbourne Ward.

<span class="mw-page-title-main">Chelae</span> Pincer-like organ terminating certain limbs of some arthropods

A chela – also called a claw, nipper, or pincer – is a pincer-shaped organ at the end of certain limbs of some arthropods. The name comes from Ancient Greek χηλή, through Neo-Latin chela. The plural form is chelae. Legs bearing a chela are called chelipeds. Another name is claw because most chelae are curved and have a sharp point like a claw.

<i>Dynoides elegans</i> Species of crustacean

Dynoides elegans is a species of isopod crustacean in the genus Dynoides. It was originally described in 1923 by Pearl Lee Boone as "Cianella elegans" based on specimens from La Jolla and San Pedro, Los Angeles. It was transferred to the genus Dynoides in 2000, when Boone's genus was sunk into synonymy with Dynoides.

Sphaeroma is a genus of aquatic isopod crustaceans, part of the family Sphaeromatidae.

<i>Exosphaeroma</i> Genus of crustaceans

Exosphaeroma is a genus of marine isopod of the family Sphaeromatidae. This genus is found in shallow ocean waters worldwide. It is notable for being one of the few genera of sphaeromatid to be found in the southern reaches of the Southern Ocean. The greatest diversity of Exosphaeroma occurs in the Southern Hemisphere.

Exosphaeroma amplicauda is a species of marine isopod of the family Sphaeromatidae.

<i>Exosphaeroma laeviusculum</i> Species of crustacean

Exosphaeroma laeviusculum is a species of isopod in the family Sphaeromatidae, native to the west coast of southern Africa.

Sphaeroma pulchellum is a species of isopod in the family Sphaeromatidae. It can be found in the Black Sea where it curls into small spheres on the sandy benthos.

References

  1. 1 2 3 Wall, Adam R.; Bruce, Niel L.; Wetzer, Regina (18 May 2015). "Status of Exosphaeroma amplicauda (Stimpson, 1857), E. aphrodita (Boone, 1923) and description of three new species (Crustacea, Isopoda, Sphaeromatidae) from the north-eastern Pacific". ZooKeys (504): 11–58. doi: 10.3897/zookeys.504.8049 . PMC   4443524 . PMID   26019675 . Retrieved 24 January 2016.