• Hemiphragma insolitum Koromyslova & Fedorov, 2020 Middle Ordovician Dapingian Russia Baltic WoRMS 1497884 Hemiphragma

    Hemiphragma Ulrich, 1893

    Type species: Batostoma irrasum Ulrich, 1886

    Synonyms Author Type Species
    Labyrinthotuba Gorka, 1969 Labyrinthotuba kozlowskii Gorka, 1969 (=Batostoma irrasa Ulrich, 1886)

    This genus includes the species:

    1. Hemiphragma bassleri
      		2. Ruedemann, 1925 Ordovician Caradoc USA New York WoRMS 1403648
    2. Hemiphragma batheri
      		3. Bassler, 1911 Ordovician Caradoc Sweden, Belarus WoRMS 1403649
    3. Hemiphragma bondarevi
      		4. Astrova, 1965 Ordovician Llanvirn-Caradoc Russia WoRMS 1403650
    4. Hemiphragma? convexa
      		5. (Gorka, 1969) Ordovician Poland WoRMS 1411450
    5. Hemiphragma curvilineum
      		6. Conti, 1990 Ordovician Italy Sardinia WoRMS 1403651
    6. Hemiphragma imperfectum
      		7. (Ulrich, 1890) Ordovician Ashgill USA Illinois WoRMS 1411451
    7. Hemiphragma insolitum
      		8.  Koromyslova & Fedorov, 2020 Middle Ordovician Dapingian Russia Baltic WoRMS 1497884
    8. Hemiphragma irrasum
      		9. (Ulrich, 1886) Ordovician USA Minnesota WoRMS 1411452
    9. Hemiphragma nonnulum
      		10. Astrova, 1965 Ordovician Llanvirn-Caradoc Russia WoRMS 1403652
    10. Hemiphragma ottawaense
      		11. (Foord, 1883) Ordovician Caradoc Canada Ontario, USA WoRMS 1411453
    11. Hemiphragma panderi
      		12. (Dybowski, 1877) Ordovician Caradoc Estonia WoRMS 1411454
    12. Hemiphragma pitchishuensis
      		13. Modzalevskaya, 1979 Silurian Russia WoRMS 1403653
    13. Hemiphragma priscum
      		14. Pushkin, 1999 Ordovician Belarus? WoRMS 1403654
    14. Hemiphragma pulchrum
      		15. Loeblich, 1942 Ordovician Caradoc USA Oklahoma WoRMS 1403655
    15. Hemiphragma pygmaeum
      		16. Bassler, 1911 Ordovician Sweden, Belaraus, Wales WoRMS 1403656
    16. Hemiphragma rotundatum
      		17. Bassler, 1911 Ordovician Llanvirn Estonia WoRMS 1403657
    17. Hemiphragma shermanense
      		18. Fritz, 1957 Ordovician Caradoc Canada WoRMS 1403658
    18. Hemiphragma subirrasum
      		19.  Männil et Pushkin, 1987 Middle Ordovician Darriwilian Estonia WoRMS 1403659
    19. Hemiphragma subnonnulum
      		20. Modzalevskaya, 1980 Ordovician Russia WoRMS 1403660
    20. Hemiphragma subtile
      		21. Conti, 1990 Ordovician Italy Sardinia WoRMS 1403661
    21. Hemiphragma? tuberculatum
      		22. Nekhorosheva, 1965 Ordovician Caradoc Russia WoRMS 1403662

    Hemiphragma batheri at fossiilid.info.

    Hemiphragma convexa at fossiilid.info.

    Hemiphragma subirrasum at fossiilid.info.

    This information is based upon various sources, but no personal knowledge. I am indebted to the late Alan Horowitz for his compilation, and to Dr. J. Pachut.
    I would be grateful for corrections to, or critical reviews of this information. This is not a 'final' version (an impossible ideal), but a working document.

    Home Page Systematic Family List Alphabetic Family List Family Page
     
    Edited by Phil Bock
    Modified on 19/6/2017
    Modified on 19/9/2017 (Addded H.subirrasum)
    Modified on 2/6/2020 (Added WoRMS links)
    Modified on 31/3/2021 (Added H.insolitum)
    This URL is http://bryozoa.net/trepostomatida/dittoporidae/hemiphragma.html