Butakovicyathus
Butakovicyathus ZHURAVLEVA, 1980
Specimen-type: Butakovicyathus butakovi holotype, ZHURAVLEVA, 1980, pl. 30, fig. 1-2
Systematics:
Order:: MONOCYATHIDA Okulitch, 1935
Family: PALAEOCONULARIIDAE Chudinova, 1959
Butakovicyathus
Outer wall
- Type of microporous sheath (OW/SW) : Attached
- Shape of carcass perforations openings (OW/SW) : Simple only
- Presence of carcass external plates: outer wall or single wall (OW/SW) : None
- Distribution of carcass pores (OW/SW) : ?
- Size of carcass pores (OW/SW) : 2 distinct sizes
- Repartition of carcass pores (OW/SW) : Homogeneous repartition
- Type of carcass perforations: outer wall or single wall (OW/SW) : Pores
- Presence of carcass bumps: outer wall or single wall (OW/SW) : None
- Repartition of bracts on additional sheath (OW/SW) : No bract on additional sheath
- Presence of stipules (OW/SW) : None
- Shape of morphological tubes (OW/SW) : None
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Repartition types of carcass pores (OW/SW) : Straight rows of pores
- Type of additional sheath (OW/SW) : Microporous sheath
- Rows number of carcass perforations per intersept (OW/SW) : No vertical intervallar element
- 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 : Atdabanian ; Botoman
- Geographical repartition : 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
- Atdabanian : 4
- 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) : Simple only
- Cup shapes : Cylindrical-conical
- Famillies inside the Monocyathida : Palaeoconulariidae
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
- Distribution of carcass pores (OW/SW) : ?
- Size of carcass pores (OW/SW) : 2 distinct sizes
- 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)
- Repartition of bracts on additional sheath (OW/SW) : No bract on additional sheath
- Presence of thorny corolla : None
- Type of additional sheath (OW/SW) : Microporous sheath
- Type of additional sheath (IW) : None
- Repartition of carcass pores (OW/SW) : Homogeneous repartition
- Repartition types of carcass pores (OW/SW) : Straight rows of pores
- Shape of carcass perforations openings (OW/SW) : Simple only
- 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) : Pores
- 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) : 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) : No vertical intervallar element
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
- Type of carcass perforations: outer wall or single wall (OW/SW) : Pores
- 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
- 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
- Repartition of bracts on additional sheath (OW/SW) : No bract on additional sheath
- 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
- Type of additional sheath (OW/SW) : Microporous sheath
- Type of additional sheath (IW) : None
- Presence of stipules (IW) : None
- Shape of morphological tubes (OW/SW) : None
- Type of microporous sheath (OW/SW) : Attached
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
- Size of carcass pores (OW/SW) : 2 distinct sizes
- Distribution of carcass pores (OW/SW) : ?
- Type of carcass perforations: outer wall or single wall (OW/SW) : Pores
- Presence of carcass bumps: outer wall or single wall (OW/SW) : None
- Presence of stipules (OW/SW) : None
- Shape of morphological tubes (OW/SW) : None
- 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
- Type of microporous sheath (OW/SW) : Attached
- Repartition of bracts on additional sheath (OW/SW) : No bract on additional sheath
- 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) : None
- Presence of carcass external plates: inner carcass wall (IW) : None (external plates and/or inner wall)
- Type of additional sheath (OW/SW) : Microporous sheath
- Type of additional sheath (IW) : None
- Presence of stipules (IW) : None
- Rows number of carcass perforations per intersept (OW/SW) : No vertical intervallar element
- Type of links between intervallar structures : None
- Shape of carcass perforations openings (OW/SW) : Simple only
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
Tangential section
- Shape of carcass perforations openings (OW/SW) : Simple only
- Distribution of carcass pores (OW/SW) : ?
- Size of carcass pores (OW/SW) : 2 distinct sizes
- Repartition of carcass pores (OW/SW) : Homogeneous repartition
- Type of microporous sheath (OW/SW) : Attached
- Repartition of bracts on additional sheath (OW/SW) : No bract on additional sheath
- Presence of thorny corolla : None
- Repartition types of carcass pores (OW/SW) : Straight rows of pores
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision