Porcellio
Encyclopedia
Porcellio is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of woodlice
Woodlouse
A woodlouse is a crustacean with a rigid, segmented, long exoskeleton and fourteen jointed limbs...

 in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Porcellionidae
Porcellionidae
Porcellionidae is a terrestrial family of the order Isopoda. The species classified here cannot roll into a ball, as opposed to the species of family Armadillidiidae, which can.This family contains 530 species, found on every continent except Antarctica....

. These crustacean
Crustacean
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...

s are found essentially world-wide. A well-known species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 is the common rough woodlouse, Porcellio scaber
Porcellio scaber
Porcellio scaber , is a species of European woodlouse.-Distribution:...

.

Most of the hundreds of Porcellio species were described by 1950, and many were known by the end of the 19th century already. But occasionally, new species have been found even in recent times.

Species

There are approximately 191 species in the genus Porcellio :

  • Porcellio achilleionensis Verhoeff, 1901
  • Porcellio acutiserra Barnard, 1940
  • Porcellio aghousi Paulian de Felice, 1939
  • Porcellio albanicus Verhoeff, 1907
  • Porcellio albicornis (Dollfus, 1896)
  • Porcellio albinus Budde-Lund, 1885
  • Porcellio alexandrinus Brandt, 1833
  • Porcellio alluaudi Dollfus, 1893
  • Porcellio alpinus Am Stein, 1857
  • Porcellio alticola Vandel, 1940
  • Porcellio anagae Hoese, 1985
  • Porcellio ancararum Rodriguez & Vicente, 1992
  • Porcellio andreinii Arcangeli, 1913
  • Porcellio angustulus Budde-Lund, 1885
  • Porcellio atlanteus Verhoeff, 1937
  • Porcellio atlantidum Paulian de Felice, 1939
  • Porcellio atticus Verhoeff, 1907
  • Porcellio auritus Budde-Lund, 1885
  • Porcellio babilonus Rodriguez & Barrientos, 1993
  • Porcellio baeticensis Vandel, 1953
  • Porcellio baidensis Viglianisi, Lombardo & Caruso, 1992
  • Porcellio balearicus Cruz & Garcia, 1994
  • Porcellio barroisi Dollfus, 1892
  • Porcellio batesoni Collinge, 1915
  • Porcellio bistriatus Budde-Lund, 1885
  • Porcellio blattarius Budde-Lund, 1885
  • Porcellio bolivari Dollfus, 1892
  • Porcellio bovei Lucas, 1849
  • Porcellio brevipennis Budde-Lund, 1885
  • Porcellio buddelundi Simon, 1885
  • Porcellio cadenati Vandel, 1954
  • Porcellio calderensis Vandel, 1954
  • Porcellio canariensis Dollfus, 1893
  • Porcellio cataractae Vandel, 1960
  • Porcellio cavernicolus Vandel, 1946
  • Porcellio centralis Vandel, 1954
  • Porcellio chilensis Nicolet, 1849
  • Porcellio chuldahensis Verhoeff, 1923
  • Porcellio cilicius Verhoeff, 1907
  • Porcellio colasi Vandel, 1958
  • Porcellio conchus Mulaik & Mulaik, 1943
  • Porcellio conifer C. Koch, 1856
  • Porcellio coronatus C. Koch, 1856
  • Porcellio curti (Vandel, 1980)
  • Porcellio cyclocephalus Menge, 1854
  • Porcellio dalensi Caruso & Maio, 1990
  • Porcellio debueni Dollfus, 1892
  • Porcellio deganiensis Verhoeff, 1923
  • Porcellio despaxi Vandel, 1958
  • Porcellio dilatatus Brandt, 1833
  • Porcellio dispar Verhoeff, 1901
  • Porcellio djahizi Medini & Charfi-Cheikhrouha, 2001
  • Porcellio djebeli Paulian de Felice, 1939
  • Porcellio duboscqui Paulian de Felice, 1941
  • Porcellio echinatus Lucas, 1849
  • Porcellio elongatus Shen, 1949
  • Porcellio emaciatus Budde-Lund, 1885
  • Porcellio eserensis Rodriguez & Vicente, 1992
  • Porcellio evansi Omer-Cooper, 1923
  • Porcellio eximius Dollfus, 1896
  • Porcellio expansus Dollfus, 1892
  • Porcellio exstinctus Verhoeff, 1923
  • Porcellio ferrarai Caruso & Maio, 1990

  • Porcellio ferroi Paulian de Felice, 1939
  • Porcellio ferrugineus Brandt, 1833
  • Porcellio festai Arcangeli, 1932
  • Porcellio ficulneus Budde-Lund, 1885
  • Porcellio flavocinctus Budde-Lund, 1885
  • Porcellio flavomarginatus Lucas, 1853
  • Porcellio formosus Stuxberg, 1875
  • Porcellio franzi Schmolzer, 1955
  • Porcellio gallicus Dollfus, 1904
  • Porcellio gauthieri Paulian de Felice, 1939
  • Porcellio gestroi Brian, 1932
  • Porcellio giustii Caruso & Maio, 1990
  • Porcellio glaberrimus Verhoeff, 1951
  • Porcellio grandeus Mulaik & Mulaik, 1943
  • Porcellio granulatus Menge, 1854
  • Porcellio granuliferus Budde-Lund, 1885
  • Porcellio gruneri Hoese, 1978
  • Porcellio haasi Arcangeli, 1925
  • Porcellio herminiensis Vandel, 1946
  • Porcellio hispanus Dollfus, 1892
  • Porcellio hoffmannseggii Brandt, 1833
  • Porcellio humberti Paulian de Felice, 1939
  • Porcellio hyblaeus Viglianisi, Lombardo & Caruso, 1992
  • Porcellio imbutus Budde-Lund, 1885
  • Porcellio incanus Budde-Lund, 1885
  • Porcellio inconspicuus Dollfus, 1892
  • Porcellio ingenuus Budde-Lund, 1885
  • Porcellio insignis Brandt, 1833
  • Porcellio intercalarius Budde-Lund, 1885
  • Porcellio intermedius Schmolzer, 1953
  • Porcellio interpolator Budde-Lund, 1885
  • Porcellio jaicensis Verhoeff, 1907
  • Porcellio klaptoczi Verhoeff, 1907
  • Porcellio krivosijensis Strouhal, 1939
  • Porcellio laevis
    Porcellio laevis
    Porcellio laevis is a species of woodlouse in the genus Porcellio. It has a cosmopolitan distribution, and has been introduced to Australia, including Norfolk Island and Lord Howe Island....

    Latreille, 1804
  • Porcellio laevissimus Dollfus, 1898
  • Porcellio lamellatus Budde-Lund, 1885
  • Porcellio lapidicolus Paulian de Felice, 1939
  • Porcellio lepineyi Verhoeff, 1937
  • Porcellio letourneuxi Simon, 1885
  • Porcellio liliputanus Nicolet, 1849
  • Porcellio longicornis Stein, 1859
  • Porcellio maculipennis Budde-Lund, 1894
  • Porcellio maculipes Budde-Lund, 1885
  • Porcellio magnificus Dollfus, 1892
  • Porcellio mahadidi Caruso & Maio, 1990
  • Porcellio marginalis Budde-Lund, 1885
  • Porcellio marginenotatus Budde-Lund, 1885
  • Porcellio martini Dalens, 1984
  • Porcellio medinae Rodriguez & Barrientos, 1993
  • Porcellio meridionalis Vandel, 1954
  • Porcellio messenicus Verhoeff, 1907
  • Porcellio minutus Budde-Lund, 1909
  • Porcellio monardi Brian, 1953
  • Porcellio montanus Budde-Lund, 1885
  • Porcellio monticola Lereboullet, 1853
  • Porcellio narentanus Verhoeff, 1907
  • Porcellio nasutus Strouhal, 1936
  • Porcellio nemethi Paulian de Felice, 1939
  • Porcellio nicklesi Dollfus, 1892
  • Porcellio nigrogranulatus Dollfus, 1892
  • Porcellio normani (Dollfus, 1899)
  • Porcellio notatus C. Koch, 1854

  • Porcellio novus Arcangeli, 1936
  • Porcellio obsoletus Budde-Lund, 1885
  • Porcellio ocellatus Budde-Lund, 1885
  • Porcellio olivieri (Audouin, 1826)
  • Porcellio ombrionis Vandel, 1954
  • Porcellio omodeoi Caruso & Maio, 1990
  • Porcellio orarum Verhoeff, 1910
  • Porcellio ornatus Milne-Edwards, 1840
  • Porcellio ovalis Dollfus, 1893
  • Porcellio palaestinus Verhoeff, 1931
  • Porcellio palmae Hoese, 1985
  • Porcellio parenzani Arcangeli, 1932
  • Porcellio pelseneeri Arcangeli, 1936
  • Porcellio peninsulae Verhoeff, 1944
  • Porcellio peyerimhoffi Paulian de Felice, 1942
  • Porcellio piceus Dollfus, 1895
  • Porcellio pityensis Vandel, 1956
  • Porcellio planarius Budde-Lund, 1885
  • Porcellio platysoma Brandt, 1841
  • Porcellio praeustus Budde-Lund, 1885
  • Porcellio provincialis Aubert & Dollfus, 1890
  • Porcellio pseudocilicius Schmalfuss, 1992
  • Porcellio puberulus Dollfus, 1895
  • Porcellio pulverulentus Budde-Lund, 1885
  • Porcellio pumicatus
    Porcellio pumicatus
    Porcellio pumicatus is a species of woodlouse in the genus Porcellio belonging to the family Porcellionidae. This species is known to occur in Central Italy and on Sardinia. Adults reach about long and can mostly be encountered under stones....

    Budde-Lund, 1885
  • Porcellio purpureus Budde-Lund, 1885
  • Porcellio pyrenaeus Dollfus, 1892
  • Porcellio quercuum Verhoeff, 1952
  • Porcellio ribauti Verhoeff, 1907
  • Porcellio riffensis Caruso & Maio, 1990
  • Porcellio romanorum Verhoeff, 1901
  • Porcellio rubidus Budde-Lund, 1885
  • Porcellio rucneri Karaman, 1966
  • Porcellio rufobrunneus Omer-Cooper, 1923
  • Porcellio saharaiensis Maio & Dalens, 1991
  • Porcellio scaber
    Porcellio scaber
    Porcellio scaber , is a species of European woodlouse.-Distribution:...

    Latreille, 1804
  • Porcellio scabriusculus Mulaik, 1960
  • Porcellio scitus Budde-Lund, 1885
  • Porcellio septentrionalis Vandel, 1954
  • Porcellio siculoccidentalis Viglianisi, Lombardo & Caruso, 1992
  • Porcellio silvestrii Arcangeli, 1924
  • Porcellio simulator Budde-Lund, 1885
  • Porcellio spatulatus Costa, 1882
  • Porcellio spinicornis Say, 1818
  • Porcellio spinipennis Budde-Lund, 1885
  • Porcellio spinipes Dollfus, 1893
  • Porcellio spretus Budde-Lund, 1885
  • Porcellio strinatii Vandel, 1960
  • Porcellio studienstiftius Hoese, 1985
  • Porcellio succinctus Budde-Lund, 1885
  • Porcellio tentaculatus Vieira, 1982
  • Porcellio tortonesei Arcangeli, 1932
  • Porcellio tripolitanus Verhoeff, 1907
  • Porcellio turolensis Cruz, 1992
  • Porcellio uljanini Budde-Lund, 1885
  • Porcellio vandeli Verhoeff, 1938
  • Porcellio variabilis Lucas, 1849
  • Porcellio villiersi Paulian de Felice, 1939
  • Porcellio violaceus Budde-Lund, 1885
  • Porcellio wagneri Brandt, 1841
  • Porcellio werneri Strouhal, 1929
  • Porcellio xavieri Arcangeli, 1958
  • Porcellio yemenensis Barnard, 1941
  • Porcellio zarcoi Vandel, 1960

Porcellio cyclocephalus and P. notatus are fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

 species from Baltic amber
Baltic amber
The Baltic region is home to the largest known deposit of amber, called Baltic amber or succinite, with about 80% of the world's known amber found there. It dates from 44 million years ago...

. They are placed in the present genus for lack of a better alternative, but whether this is correct is doubtful as the original descriptions are very brief and hardly diagnostic.
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