Robertiolynthus
Robertiolynthus A. ZHURAVLEV in VORONOVA& others, 1987
Specimen-type: Robertiolynthus handfieldi holotype, VORONOVA& others,1987, pl. 1, fig. 1
Systematics:
Order:: MONOCYATHIDA Okulitch, 1935
Family: FAVILYNTHIDAE Debrenne, 1989
Robertiolynthus
Robertiolynthus
Outer wall
- Direction of carcass external plates (OW/SW) : ?
- 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) : Present
- 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
- Shape of carcass external plates (OW/SW) : ?
- Presence of stipules (OW/SW) : ?
- Shape of morphological tubes (OW/SW) : S-shaped
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Type of carcass external plates (OW/SW) : Bracts
- Shape of carcass canals tubes (OW/SW) : Straight
- Type of additional sheath (OW/SW) : None
- Rows number of carcass perforations per intersept (OW/SW) : No vertical intervallar element
- Rims of carcass external plates (OW/SW) : Smooth
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
Inner wall
- Type of carcass perforations: inner wall (IW) : None (perforation and/or inner wall)
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Shape of morphological tubes (IW) : None
- Type of additional sheath (IW) : None
- Presence of stipules (IW) : None
Intervallum
- Presence of intervallar cells : None
- Type of links between intervallar structures : None
- Presence of vertical intervallar structures : None
- Presence of tabulae : none
Others informations
- Number of walls : 1
- Stratigraphical extension : Botoman
- Geographical repartition : Canada ; Russia
- 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
- Russia : Altay Sayan
- Botoman : 1 ; 2
- Type of modularity : Branching by longitudinal subdivisions ; Catenulate
- Cup shapes : Cylindrical-conical
- Type of other aquiferous unit : None
Systematic
- Orders : Monocyathida
- Shape of carcass perforations openings (OW/SW) : ?
- Cup shapes : Cylindrical-conical
- Famillies inside the Monocyathida : Favilynthidae
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) : Present
- Shape of carcass external plates (OW/SW) : ?
- Direction of carcass external plates (OW/SW) : ?
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Presence of thorny corolla : None
- Type of carcass external plates (OW/SW) : Bracts
- Type of additional sheath (OW/SW) : None
- Type of additional sheath (IW) : None
- Shape of carcass perforations openings (OW/SW) : ?
- Rims of carcass external plates (OW/SW) : Smooth
- Presence of chambers : None
- Type of other aquiferous unit : None
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
- Number of walls : 1
Transverse section
- Shape of cup bulges : None
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Number of walls : 1
- 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
- Type of carcass perforations: inner wall (IW) : None (perforation and/or inner wall)
- Structure of central Cavity (or internal if one wall) : Empty
- Presence of vertical intervallar structures : None
- 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) : Present
- 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) : No vertical intervallar element
- Rims of carcass external plates (OW/SW) : Smooth
Longitudinal section
- Shape of cup bulges : None
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Number of walls : 1
- 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) : Present
- Direction of carcass external plates (OW/SW) : ?
- Cup shapes : Cylindrical-conical
- Type of carcass perforations: inner wall (IW) : None (perforation and/or inner wall)
- 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) : None
- Presence of vertical intervallar structures : None
- 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) : Straight
- Type of additional sheath (OW/SW) : None
- Type of additional sheath (IW) : None
- Presence of stipules (IW) : None
- Rims of carcass external plates (OW/SW) : Smooth
- Shape of morphological tubes (OW/SW) : S-shaped
Oblique section
- Shape of cup bulges : None
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Number of walls : 1
- 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) : ?
- Shape of morphological tubes (OW/SW) : S-shaped
- Cup shapes : Cylindrical-conical
- Type of carcass perforations: inner wall (IW) : None (perforation and/or inner wall)
- Structure of central Cavity (or internal if one wall) : Empty
- Shape of morphological tubes (IW) : None
- Presence of vertical intervallar structures : None
- 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) : Present
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Shape of carcass canals tubes (OW/SW) : Straight
- 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) : No vertical intervallar element
- Rims of carcass external plates (OW/SW) : Smooth
- Type of carcass external plates (OW/SW) : Bracts
- Shape of carcass external plates (OW/SW) : ?
- Direction of carcass external plates (OW/SW) : ?
- Type of links between intervallar structures : None
- Shape of carcass perforations openings (OW/SW) : ?
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision