Calyptocoscinus
Calyptocoscinus DEBRENNE, 1964
Specimen-type: Coscinocyathus cornucopiae lectotype, BORNEMANN, 1886, pl. 16, fig. 1
Systematics:
Order: CAPSULOCYATHIDA Zhuravleva, 1964
Suborder: COSCINOCYATHINA Zhuravleva, 1955
Superfamily: CALYPTOCOSCINOIDEA Debrenne, 1964
Family: CALYPTOCOSCINIDAE Debrenne, 1964
Calyptocoscinus
Calyptocoscinus
Calyptocoscinus
Calyptocoscinus
Calyptocoscinus
Outer wall
- Type of microporous sheath (OW/SW) : Independent
- Shape of carcass perforations openings (OW/SW) : Simple only
- Presence of carcass external plates: outer wall or single wall (OW/SW) : None
- Size of carcass pores (OW/SW) : Uniform size
- 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) : 2 AND more than 2 rows per intersept
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
Inner wall
- Shape of carcass perforations openings (IW) : Simple
- Rows number of carcass pores per intertabula (IW) : Stirrup pores AND several rows of pores between two successive tabulae ; Several rows of pores between two successive tabulae only
- Type of carcass perforations: inner wall (IW) : Pores
- 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) : None
- Structure of inner carcass wall (IW) : Carcass wall well defined
- Type of additional sheath (IW) : Microporous sheath
- Presence of stipules (IW) : None
- Rows number of carcass perforations per intersept (IW) : More than 2 rows per intersept only
- Type of microporous sheath (IW) : Independent
- Repartition of bracts on additional sheath (IW) : No bract on additional sheath
- 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 : Present
- Type of vertical intervallar structures : Septa
- Pores shape of tabulae : Subdivided pores
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Finely porous
- Pores shape of vertical intervallar structures : Circular pores
- Building of tabulae : Extensions of both walls
Others informations
- Number of walls : 2
- Stratigraphical extension : Botoman
- Geographical repartition : Europe
- Shape of cup bulges : None
- Presence of chambers : Present
- Type of habitus : Solitary
- Structure of central Cavity (or internal if one wall) : Empty
- Presence of thorny corolla : None
- Europe : Italia: Sardinia
- Botoman : 1
- Type of chambers stack : Regular stack
- Chambers number : Several
- Cup shapes : Cylindrical-conical
- Type of other aquiferous unit : None
- Shape of initial chamber : Subspherical
- Shape of subsequent chambers : Subspherical
Systematic
- Orders : Capsulocyathida
- Famillies inside the Coscinocyathina : Calyptocoscinidae
- Suborders inside the Capsulocyathida : Coscinocyathina
- Shape of carcass perforations openings (OW/SW) : Simple only
- Cup shapes : Cylindrical-conical
- Superfamillies inside the Coscinocyathina : Calyptocoscinoidea
External view
- Cup shapes : Cylindrical-conical
- Shape of cup bulges : None
- Structure of outer carcass wall (OW/SW) : Carcass wall well defined
- Type of habitus : Solitary
- Size of carcass pores (OW/SW) : Uniform size
- 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) : Microporous sheath
- Shape of subsequent chambers : Subspherical
- 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
- Repartition of bracts on additional sheath (IW) : No bract on additional sheath
- Presence of chambers : Present
- Type of other aquiferous unit : None
- Chambers number : Several
- Type of chambers stack : Regular stack
- Shape of initial chamber : Subspherical
- 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
- Type of carcass perforations: outer wall or single wall (OW/SW) : Pores
- 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) : Pores
- 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
- Pores shape of tabulae : Subdivided pores
- Presence of tabulae : Present
- 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) : 2 AND more than 2 rows per intersept
- Rows number of carcass perforations per intersept (IW) : More than 2 rows per intersept only
- 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 habitus : Solitary
- 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) : Pores
- 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
- Type of vertical intervallar structures : Septa
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Finely 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
- Building of tabulae : Extensions of both walls
- Presence of tabulae : Present
- Type of other aquiferous unit : None
- Chambers number : Several
- Type of chambers stack : Regular stack
- Presence of chambers : Present
- Type of additional sheath (OW/SW) : Microporous sheath
- Type of additional sheath (IW) : Microporous sheath
- Presence of stipules (IW) : None
- Shape of initial chamber : Subspherical
- Repartition of bracts on additional sheath (IW) : No bract on additional sheath
- Shape of subsequent chambers : Subspherical
- Shape of morphological tubes (OW/SW) : None
- Rows number of carcass pores per intertabula (IW) : Stirrup pores AND several rows of pores between two successive tabulae ; Several rows of pores between two successive tabulae only
- Porosity of vertical intervallar structures : Multiperforate
- Organization of tabulae inside the cup : Regular
- Type of microporous sheath (OW/SW) : Independent
- Type of microporous sheath (IW) : Independent
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
- Size of carcass pores (OW/SW) : Uniform size
- 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
- Rows number of carcass pores per intertabula (IW) : Stirrup pores AND several rows of pores between two successive tabulae ; Several rows of pores between two successive tabulae only
- Cup shapes : Cylindrical-conical
- Building of carcass perforations (IW) : Without participation of vertical structures
- Type of carcass perforations: inner wall (IW) : Pores
- Structure of central Cavity (or internal if one wall) : Empty
- Shape of morphological tubes (IW) : None
- Type of microporous sheath (OW/SW) : Independent
- Repartition of bracts on additional sheath (OW/SW) : No bract on additional sheath
- Type of vertical intervallar structures : Septa
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Finely 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
- Building of tabulae : Extensions of both walls
- Pores shape of tabulae : Subdivided pores
- Presence of tabulae : Present
- Chambers number : Several
- Type of chambers stack : Regular stack
- Presence of chambers : Present
- 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) : Microporous sheath
- Presence of stipules (IW) : None
- Shape of initial chamber : Subspherical
- Rows number of carcass perforations per intersept (OW/SW) : 2 AND more than 2 rows per intersept
- Rows number of carcass perforations per intersept (IW) : More than 2 rows per intersept only
- Shape of carcass perforations openings (IW) : Simple
- Type of microporous sheath (IW) : Independent
- Repartition of bracts on additional sheath (IW) : No bract on additional sheath
- Porosity of vertical intervallar structures : Multiperforate
- Type of links between intervallar structures : None
- Organization of tabulae inside the cup : Regular
- Shape of subsequent chambers : Subspherical
- Shape of carcass perforations openings (OW/SW) : Simple only
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
- Subdivision of carcass perforations openings (IW) : Without subdivision
Tangential section
- Shape of carcass perforations openings (OW/SW) : Simple only
- Size of carcass pores (OW/SW) : Uniform size
- Repartition of carcass pores (OW/SW) : Homogeneous repartition
- Shape of carcass perforations openings (IW) : Simple
- Type of microporous sheath (OW/SW) : Independent
- Repartition of bracts on additional sheath (OW/SW) : No bract on additional sheath
- Presence of thorny corolla : None
- Repartition of vertical intervallar structures pores : Completely porous
- Porosity type of vertical intervallar structures : Finely porous
- Pores shape of vertical intervallar structures : Circular pores
- Pores shape of tabulae : Subdivided pores
- Repartition types of carcass pores (OW/SW) : Straight rows of pores
- Type of microporous sheath (IW) : Independent
- Repartition of bracts on additional sheath (IW) : No bract on additional sheath
- Subdivision of carcass perforations openings (OW/SW) : Without subdivision
- Subdivision of carcass perforations openings (IW) : Without subdivision