Porocyathellus
Porocyathellus DEBRENNE, 1977a
Specimen-type: Porocyathellus bouddi holotype, DEBRENNE, 1977a, pl. 6, fig. 1
Systematics:
Order: AJACICYATHIDA R. Bedford& J. Bedford, 1939
Suborder: AJACICYATHINA R. Bedford& J. Bedford, 1939
Superfamily: ETHMOPHYLLOIDEA Okulitch, 1937
Family: CARINACYATHIDAE Krasnopeeva, 1953
Porocyathellus
Outer wall
- Shape of carcass perforations openings (OW/SW) : ?
- Direction of carcass canals tubes (OW/SW) : Horizontal to upwardly opening
- Presence of carcass external plates: outer wall or single wall (OW/SW) : None
- Origin of carcass canals (OW/SW) : Limited to the carcass
- Type of carcass perforations: outer wall or single wall (OW/SW) : Canals
- Presence of carcass bumps: outer wall or single wall (OW/SW) : None
- Presence of stipules (OW/SW) : None
- Shape of morphological tubes (OW/SW) : S-shaped
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Shape of carcass canals tubes (OW/SW) : S-shaped
- Type of additional sheath (OW/SW) : None
- Rows number of carcass perforations per intersept (OW/SW) : More than 2 rows per intersept only
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
Inner wall
- Shape of carcass perforations openings (IW) : ?
- Shape of carcass canals tubes zone A (IW) : S-shaped
- Direction of carcass canals tubes zone A (IW) : Horizontal to upwardly opening
- Porosity of carcass canals tubes zone A (IW) : Non-porous
- Type of carcass perforations: inner wall (IW) : Canals
- Building of carcass perforations (IW) : Without participation of vertical structures
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Shape of morphological tubes (IW) : S-shaped
- Structure of inner carcass wall (IW) : Carcass wall well defined
- Constitution of carcass canal system (IW) : 1 zone
- Type of additional sheath (IW) : None
- Presence of stipules (IW) : None
- Rows number of carcass perforations per intersept (IW) : More than 2 rows per intersept only
- Subdivision of carcass perforations openings (IW) : Without subdivision
Intervallum
- Presence of intervallar cells : None
- Type of links between intervallar structures : None
- Presence of vertical intervallar structures : Present
- Presence of tabulae : none
- Type of vertical intervallar structures : Septa
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Coarsely porous
- Pores shape of vertical intervallar structures : Circular pores
Others informations
- Number of walls : 2
- Stratigraphical extension : Botoman
- Geographical repartition : Morocco
- Shape of cup bulges : None
- Presence of chambers : None
- Type of habitus : Solitary ; Modular
- Structure of central Cavity (or internal if one wall) : Empty
- Presence of thorny corolla : None
- Botoman : 1
- Type of modularity : Branching by longitudinal subdivisions ; Catenulate
- Cup shapes : Cylindrical-conical
- Type of other aquiferous unit : None
Systematic
- Orders : Ajacicyathida
- Superfamillies inside the Ajacicyathina : Ethmophylloidea
- Famillies inside the Ajacicyathina : Carinacyathidae
- Shape of carcass perforations openings (OW/SW) : ?
- Cup shapes : Cylindrical-conical
- Suborders inside the Ajacicyathida : Ajacicyathina
External view
- Cup shapes : Cylindrical-conical
- Shape of cup bulges : None
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Type of modularity : Branching by longitudinal subdivisions ; Catenulate
- Type of habitus : Solitary ; Modular
- Presence of carcass bumps: outer wall or single wall (OW/SW) : None
- Presence of carcass external plates: outer wall or single wall (OW/SW) : None
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Presence of thorny corolla : None
- Type of additional sheath (OW/SW) : None
- Type of additional sheath (IW) : None
- Shape of carcass perforations openings (OW/SW) : ?
- Presence of chambers : None
- Type of other aquiferous unit : None
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
- Number of walls : 2
Transverse section
- 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
- Number of walls : 2
- Type of habitus : Solitary ; Modular
- Type of carcass perforations: outer wall or single wall (OW/SW) : Canals
- Presence of carcass bumps: outer wall or single wall (OW/SW) : None
- Building of carcass perforations (IW) : Without participation of vertical structures
- Type of carcass perforations: inner wall (IW) : Canals
- Structure of central Cavity (or internal if one wall) : Empty
- Type of vertical intervallar structures : Septa
- Presence of vertical intervallar structures : Present
- Presence of thorny corolla : None
- Type of links between intervallar structures : None
- Presence of intervallar cells : None
- Presence of tabulae : none
- Type of other aquiferous unit : None
- Presence of carcass external plates: outer wall or single wall (OW/SW) : None
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Rows number of carcass perforations per intersept (OW/SW) : More than 2 rows per intersept only
- Rows number of carcass perforations per intersept (IW) : More than 2 rows per intersept only
- Constitution of carcass canal system (IW) : 1 zone
- Porosity of vertical intervallar structures : Multiperforate
Longitudinal section
- 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
- Number of walls : 2
- Type of modularity : Branching by longitudinal subdivisions ; Catenulate
- Type of habitus : Solitary ; Modular
- Direction of carcass canals tubes (OW/SW) : Horizontal to upwardly opening
- Origin of carcass canals (OW/SW) : Limited to the carcass
- Type of carcass perforations: outer wall or single wall (OW/SW) : Canals
- Presence of carcass bumps: outer wall or single wall (OW/SW) : None
- Presence of carcass external plates: outer wall or single wall (OW/SW) : None
- Cup shapes : Cylindrical-conical
- Constitution of carcass canal system (IW) : 1 zone
- Shape of carcass canals tubes zone A (IW) : S-shaped
- Porosity of carcass canals tubes zone A (IW) : Non-porous
- Direction of carcass canals tubes zone A (IW) : Horizontal to upwardly opening
- Type of carcass perforations: inner wall (IW) : Canals
- Structure of central Cavity (or internal if one wall) : Empty
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Shape of morphological tubes (IW) : S-shaped
- Type of vertical intervallar structures : Septa
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Coarsely porous
- Pores shape of vertical intervallar structures : Circular pores
- Presence of vertical intervallar structures : Present
- Presence of thorny corolla : None
- Type of links between intervallar structures : None
- Presence of intervallar cells : None
- Presence of tabulae : none
- Type of other aquiferous unit : None
- Presence of chambers : None
- Shape of carcass canals tubes (OW/SW) : S-shaped
- Type of additional sheath (OW/SW) : None
- Type of additional sheath (IW) : None
- Presence of stipules (IW) : None
- Shape of morphological tubes (OW/SW) : S-shaped
- Porosity of vertical intervallar structures : Multiperforate
Oblique section
- 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
- Number of walls : 2
- Type of habitus : Solitary ; Modular
- Direction of carcass canals tubes (OW/SW) : Horizontal to upwardly opening
- Origin of carcass canals (OW/SW) : Limited to the carcass
- Type of carcass perforations: outer wall or single wall (OW/SW) : Canals
- Presence of carcass bumps: outer wall or single wall (OW/SW) : None
- Presence of stipules (OW/SW) : None
- Shape of morphological tubes (OW/SW) : S-shaped
- Cup shapes : Cylindrical-conical
- Shape of carcass canals tubes zone A (IW) : S-shaped
- Porosity of carcass canals tubes zone A (IW) : Non-porous
- Direction of carcass canals tubes zone A (IW) : Horizontal to upwardly opening
- Building of carcass perforations (IW) : Without participation of vertical structures
- Type of carcass perforations: inner wall (IW) : Canals
- Structure of central Cavity (or internal if one wall) : Empty
- Shape of morphological tubes (IW) : S-shaped
- Type of vertical intervallar structures : Septa
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Coarsely porous
- Pores shape of vertical intervallar structures : Circular pores
- Presence of vertical intervallar structures : Present
- Presence of thorny corolla : None
- Presence of intervallar cells : None
- Presence of tabulae : none
- Presence of chambers : None
- Type of other aquiferous unit : None
- Presence of carcass external plates: outer wall or single wall (OW/SW) : None
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Shape of carcass canals tubes (OW/SW) : S-shaped
- Type of additional sheath (OW/SW) : None
- Type of additional sheath (IW) : None
- Presence of stipules (IW) : None
- Rows number of carcass perforations per intersept (OW/SW) : More than 2 rows per intersept only
- Rows number of carcass perforations per intersept (IW) : More than 2 rows per intersept only
- Shape of carcass perforations openings (IW) : ?
- Porosity of vertical intervallar structures : Multiperforate
- Type of links between intervallar structures : None
- Shape of carcass perforations openings (OW/SW) : ?
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
- Subdivision of carcass perforations openings (IW) : Without subdivision
- Constitution of carcass canal system (IW) : 1 zone
Tangential section
- Shape of carcass perforations openings (OW/SW) : ?
- Shape of carcass perforations openings (IW) : ?
- Presence of thorny corolla : None
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Coarsely porous
- Pores shape of vertical intervallar structures : Circular pores
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
- Subdivision of carcass perforations openings (IW) : Without subdivision
- Porosity of carcass canals tubes zone A (IW) : Non-porous