Hupecyathus
Hupecyathus DEBRENNE, 1964
Specimen-type: Hupecyathus
sphinctoides holotype, DEBRENNE, 1964, pl. 15,fig. 7
Systematics:
Order:
PUTAPACYATHIDA Vologdin, 1961
Superfamily: HUPECYATHOIDEA
Debrenne, Rozanov& A. Zhuravlev, 1990
Family:
HUPECYATHIDAE Debrenne, Rozanov& A. Zhuravlev, 1990
Hupecyathus Hupecyathus sphinctoides DEBRENNE holotype MNHN M80258, specimen Ki135 Atdabanian, Ouijane, Morocco Transverse section (DEBRENNE, A. ZHURAVLEV & KRUSE, 2002). |
Hupecyathus Hupecyathus sphinctoides DEBRENNE holotype MNHN M80258, specimen Ki135 Atdabanian, Ouijane, Morocco Detail of longitudinal section (outer wall to right) (DEBRENNE, A. ZHURAVLEV & KRUSE, 2002). |
Outer wall
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Carcass perforations: outer wall or single wall (OW/SW) : Canals
- Shape of carcass canals (OW/SW) : Straight
-
Direction of carcass canals (OW/SW) : Upwardly opening ;
Horizontal opening
(horizontal to upwardly opening) - Origin of carcass canals (OW/SW) : Limited to the carcass
- Relationship between carcass canals and intersept (OW/SW) : Several rows of canals per intersept
- Carcass bumps: outer wall or single wall (OW/SW) : None
- Carcass external plates: outer wall or single wall (OW/SW) : Present
- Type of carcass external plates (OW/SW) : Bracts
- Shape of carcass external plates (OW/SW) : Arcuate
- Direction of carcass external plates (OW/SW) : Downwardly projecting
- Stipules : ?
- Type of morphological tubes (OW/SW) : Inverted-V shaped
- Additional sheath : None
Inner wall
- Structure of inner carcass wall (IW) : Carcass wall well defined
- Stipules : ?
- Carcass perforations: inner wall (IW) : Pores
- Type of carcass pores (IW) : Simple
- Relationship between rows of carcass pores and intersept (IW) : No vertical intervallar element
- Relationship between rows of carcass pores and tabulae (IW) : Several rows of pores between two successive tabulae
- Building of carcass perforations (IW) : Without participation of vertical structures
- Carcass external plates: inner carcass wall (IW) : Present
- Type of carcass external plates (IW) : Bracts
- Localisation of carcass bracts (IW) : Bract arises on inner wall
- Shape of carcass external plates (IW) : Arcuate
- Direction of carcass external plates (IW) : Upwardly projecting
- Type of morphological tubes (IW) : None
- Additional sheath : None
Intervallum
- Vertical intervallar structures : None
- Link between vertical intervallar structures : None ; Pillars
- Repartition of pillars : Present in forms without chambers
- Intervallar cells : None
- Tabulae : Present
- Building of tabulae : Independent from walls
- Porosity of tabulae : Simple pores
Others informations
- Cup shapes : Cylindrical-conical
- Shape of cup bulges : None
- Number of walls : 2
- Habitus : Solitary
- Central Cavity (or internal if one wall) : Empty
- Thorny corolla : None
- Chambers : None
- Other aquiferous unit : None
- Stratigraphical extension : Atdabanian
- Atdabanian : 4
- Geographical repartition : Morocco
Systematic
- Orders : Putapacyathida
- Superfamillies inside the Putapacyathida : Hupecyathoidea
- Famillies inside the Putapacyathida : Hupecyathidae
External view
- Cup shapes : Cylindrical-conical
- Shape of cup bulges : None
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Structure of inner carcass wall (IW) : Carcass wall well defined
- Habitus : Solitary
- Carcass bumps: outer wall or single wall (OW/SW) : None
- Carcass external plates: outer wall or single wall (OW/SW) : Present
- Type of carcass external plates (OW/SW) : Bracts
- Shape of carcass external plates (OW/SW) : Arcuate
- Direction of carcass external plates (OW/SW) : Downwardly projecting
- Carcass external plates: inner carcass wall (IW) : Present
- Type of carcass external plates (IW) : Bracts
- Localisation of carcass bracts (IW) : Bract arises on inner wall
- Shape of carcass external plates (IW) : Arcuate
- Direction of carcass external plates (IW) : Upwardly projecting
- Additional sheath : None
- Thorny corolla : None
Transverse section
- Shape of cup bulges : None
- Number of walls : 2
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Structure of inner carcass wall (IW) : Carcass wall well defined
- Habitus : Solitary
- Central Cavity (or internal if one wall) : Empty
- Carcass perforations: outer wall or single wall (OW/SW) : Canals
- Relationship between carcass canals and intersept (OW/SW) : Several rows of canals per intersept
- Carcass bumps: outer wall or single wall (OW/SW) : None
- Carcass external plates: outer wall or single wall (OW/SW) : Present
- Carcass perforations: inner wall (IW) : Pores
- Building of carcass perforations (IW) : Without participation of vertical structures
- Carcass external plates: inner carcass wall (IW) : Present
- Additional sheath : None
- Thorny corolla : None
- Vertical intervallar structures : None
- Link between vertical intervallar structures : None ; Pillars
- Repartition of pillars : Present in forms without chambers
- Intervallar cells : None
- Tabulae : Present
- Porosity of tabulae : Simple pores
- Other aquiferous unit : None
Longitudinal section
- Shape of cup bulges : None
- Number of walls : 2
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Structure of inner carcass wall (IW) : Carcass wall well defined
- Habitus : Solitary
- Central Cavity (or internal if one wall) : Empty
- Carcass perforations: outer wall or single wall (OW/SW) : Canals
- Shape of carcass canals (OW/SW) : Straight
-
Direction of carcass canals (OW/SW) : Upwardly opening ;
Horizontal opening
(horizontal to upwardly opening) - Origin of carcass canals (OW/SW) : Limited to the carcass
- Relationship between carcass canals and intersept (OW/SW) : Several rows of canals per intersept
- Carcass bumps: outer wall or single wall (OW/SW) : None
- Carcass external plates: outer wall or single wall (OW/SW) : Present
- Type of carcass external plates (OW/SW) : Bracts
- Shape of carcass external plates (OW/SW) : Arcuate
- Direction of carcass external plates (OW/SW) : Downwardly projecting
- Stipules : ?
- Type of morphological tubes (OW/SW) : Inverted-V shaped
- Carcass perforations: inner wall (IW) : Pores
- Relationship between rows of carcass pores and tabulae (IW) : Several rows of pores between two successive tabulae
- Carcass external plates: inner carcass wall (IW) : Present
- Type of carcass external plates (IW) : Bracts
- Localisation of carcass bracts (IW) : Bract arises on inner wall
- Shape of carcass external plates (IW) : Arcuate
- Direction of carcass external plates (IW) : Upwardly projecting
- Type of morphological tubes (IW) : None
- Additional sheath : None
- Thorny corolla : None
- Vertical intervallar structures : None
- Link between vertical intervallar structures : None ; Pillars
- Repartition of pillars : Present in forms without chambers
- Intervallar cells : None
- Tabulae : Present
- Building of tabulae : Independent from walls
- Chambers : None
- Other aquiferous unit : None
Oblique section
- Shape of cup bulges : None
- Number of walls : 2
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Structure of inner carcass wall (IW) : Carcass wall well defined
- Habitus : Solitary
- Central Cavity (or internal if one wall) : Empty
- Carcass perforations: outer wall or single wall (OW/SW) : Canals
- Shape of carcass canals (OW/SW) : Straight
-
Direction of carcass canals (OW/SW) : Upwardly opening ;
Horizontal opening
(horizontal to upwardly opening) - Origin of carcass canals (OW/SW) : Limited to the carcass
- Relationship between carcass canals and intersept (OW/SW) : Several rows of canals per intersept
- Carcass bumps: outer wall or single wall (OW/SW) : None
- Carcass external plates: outer wall or single wall (OW/SW) : Present
- Stipules : ?
- Type of morphological tubes (OW/SW) : Inverted-V shaped
- Carcass perforations: inner wall (IW) : Pores
- Relationship between rows of carcass pores and intersept (IW) : No vertical intervallar element
- Relationship between rows of carcass pores and tabulae (IW) : Several rows of pores between two successive tabulae
- Building of carcass perforations (IW) : Without participation of vertical structures
- Carcass external plates: inner carcass wall (IW) : Present
- Type of morphological tubes (IW) : None
- Additional sheath : None
- Thorny corolla : None
- Vertical intervallar structures : None
- Link between vertical intervallar structures : None ; Pillars
- Repartition of pillars : Present in forms without chambers
- Intervallar cells : None
- Tabulae : Present
- Building of tabulae : Independent from walls
- Porosity of tabulae : Simple pores
- Chambers : None
- Other aquiferous unit : None
Tangential section
- Type of carcass pores (IW) : Simple
- Thorny corolla : None
- Porosity of tabulae : Simple pores