Dupliporocyathus

Dupliporocyathus YAZMIR, 1975

Specimen-type: Duplioporocyathus tumulosus holotype, YAZMIR& others, 1975, pl. 21, fig. 5-7

Systematics:
Order: AJACICYATHIDA R. Bedford& J. Bedford, 1939
Suborder: AJACICYATHINA R. Bedford& J. Bedford, 1939
Superfamily: ETHMOPHYLLOIDEA Okulitch, 1937
Family: ETHMOPHYLLIDAE Okulitch, 1937

Notes:
Outer carcass wall: canals shape and direction are uncertain.

Dupliporocyathus Dupliporocyathus tumulosus YAZMIR holotype BGU 0138/17 Atdabanian, Ul’dzuytuy Creek, Transbaikalia, Russia Oblique longitudinal section (YAZMIR & others, 1975).

Dupliporocyathus Dupliporocyathus tumulosus YAZMIR holotype BGU 0138/17 Atdabanian, Ul’dzuytuy Creek, Transbaikalia, Russia Transverse section (YAZMIR & others, 1975).

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) : ?
  (Outer carcass wall: canals shape and direction are uncertain.)
• Direction of carcass canals (OW/SW) : ?
  (Outer carcass wall: canals shape and direction are uncertain.)
• 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) : None
• Stipules : ?
• Type of morphological tubes (OW/SW) : S-shaped
• Additional sheath : None

Inner wall

• Structure of inner carcass wall (IW) : Carcass wall well defined
• Stipules : ?
• Carcass perforations: inner wall (IW) : Canals
• Constitution of carcass canal system (IW) : 1 zone
• Shape of carcass canals zone A (IW) : Straight
• Porosity of carcass canals zone A (IW) : Porous
• Relationship between carcass canals zone A and intersept (IW) : 1 row of canals per intersept
• Direction of carcass canals zone A (IW) : Downwardly opening
• 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) : ?
• Direction of carcass external plates (IW) : Upwardly projecting
• Type of morphological tubes (IW) : V-shaped
• Additional sheath : None

Intervallum

• Vertical intervallar structures : Present
• Type of vertical intervallar structures : Septa
• Repartition of vertical intervallar structures pores : Aporous ; Sparsely porous
• Porosity of vertical intervallar structures : Aporous ; Finely porous
• Pores of vertical intervallar structures : Aporous ; Circular pores
• Link between vertical intervallar structures : None
• Intervallar cells : None
• Tabulae : none

Others informations

• Cup shapes : Cylindrical-conical
• Shape of cup bulges : Longitudinally plicate (outer wall)
• Number of walls : 2
• Habitus : Solitary ; Modular
• Type of modularity : Branching by longitudinal subdivisions ; Catenulate
• Central Cavity (or internal if one wall) : Empty
• Thorny corolla : None
• Chambers : None
• Other aquiferous unit : None
• Stratigraphical extension : Atdabanian
• Atdabanian : 4
• Geographical repartition : Russia
• Russia : Transbaikal

Systematic

• Orders : Ajacicyathida
• Suborders inside the Ajacicyathida : Ajacicyathina
• Superfamillies inside the Ajacicyathina : Ethmophylloidea
• Famillies inside the Ajacicyathina : Ethmophyllidae

External view

• Cup shapes : Cylindrical-conical
• Shape of cup bulges : Longitudinally plicate (outer wall)
• Structure of outer carcass wall (OW/SW) : Carcass wall well defined
• Structure of inner carcass wall (IW) : Carcass wall well defined
• Habitus : Solitary ; Modular
• Type of modularity : Branching by longitudinal subdivisions ; Catenulate
• Carcass bumps: outer wall or single wall (OW/SW) : None
• Carcass external plates: outer wall or single wall (OW/SW) : None
• 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) : ?
• Direction of carcass external plates (IW) : Upwardly projecting
• Additional sheath : None
• Thorny corolla : None

Transverse section

• Shape of cup bulges : Longitudinally plicate (outer wall)
• 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 ; Modular
• 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) : None
• Carcass perforations: inner wall (IW) : Canals
• Relationship between carcass canals zone A and intersept (IW) : 1 row of canals per intersept
• 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 : Present
• Type of vertical intervallar structures : Septa
• Repartition of vertical intervallar structures pores : Aporous ; Sparsely porous
• Link between vertical intervallar structures : None
• Intervallar cells : None
• Tabulae : none
• Other aquiferous unit : None

Longitudinal section

• Shape of cup bulges : Longitudinally plicate (outer wall)
• 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 ; Modular
• Type of modularity : Branching by longitudinal subdivisions ; Catenulate
• Central Cavity (or internal if one wall) : Empty
• Carcass perforations: outer wall or single wall (OW/SW) : Canals
• Shape of carcass canals (OW/SW) : ?
  (Outer carcass wall: canals shape and direction are uncertain.)
• Direction of carcass canals (OW/SW) : ?
  (Outer carcass wall: canals shape and direction are uncertain.)
• 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) : None
• Stipules : ?
• Type of morphological tubes (OW/SW) : S-shaped
• Carcass perforations: inner wall (IW) : Canals
• Constitution of carcass canal system (IW) : 1 zone
• Shape of carcass canals zone A (IW) : Straight
• Porosity of carcass canals zone A (IW) : Porous
• Direction of carcass canals zone A (IW) : Downwardly opening
• 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) : ?
• Direction of carcass external plates (IW) : Upwardly projecting
• Type of morphological tubes (IW) : V-shaped
• Additional sheath : None
• Thorny corolla : None
• Vertical intervallar structures : Present
• Type of vertical intervallar structures : Septa
• Repartition of vertical intervallar structures pores : Aporous ; Sparsely porous
• Porosity of vertical intervallar structures : Aporous ; Finely porous
• Pores of vertical intervallar structures : Aporous ; Circular pores
• Link between vertical intervallar structures : None
• Intervallar cells : None
• Tabulae : none
• Chambers : None
• Other aquiferous unit : None

Oblique section

• Shape of cup bulges : Longitudinally plicate (outer wall)
• 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 ; Modular
• Central Cavity (or internal if one wall) : Empty
• Carcass perforations: outer wall or single wall (OW/SW) : Canals
• Shape of carcass canals (OW/SW) : ?
  (Outer carcass wall: canals shape and direction are uncertain.)
• Direction of carcass canals (OW/SW) : ?
  (Outer carcass wall: canals shape and direction are uncertain.)
• 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) : None
• Stipules : ?
• Type of morphological tubes (OW/SW) : S-shaped
• Carcass perforations: inner wall (IW) : Canals
• Constitution of carcass canal system (IW) : 1 zone
• Shape of carcass canals zone A (IW) : Straight
• Porosity of carcass canals zone A (IW) : Porous
• Relationship between carcass canals zone A and intersept (IW) : 1 row of canals per intersept
• Direction of carcass canals zone A (IW) : Downwardly opening
• Building of carcass perforations (IW) : Without participation of vertical structures
• Carcass external plates: inner carcass wall (IW) : Present
• Type of morphological tubes (IW) : V-shaped
• Additional sheath : None
• Thorny corolla : None
• Vertical intervallar structures : Present
• Type of vertical intervallar structures : Septa
• Repartition of vertical intervallar structures pores : Aporous ; Sparsely porous
• Porosity of vertical intervallar structures : Aporous ; Finely porous
• Pores of vertical intervallar structures : Aporous ; Circular pores
• Link between vertical intervallar structures : None
• Intervallar cells : None
• Tabulae : none
• Chambers : None
• Other aquiferous unit : None

Tangential section

• Thorny corolla : None
• Repartition of vertical intervallar structures pores : Aporous ; Sparsely porous
• Porosity of vertical intervallar structures : Aporous ; Finely porous
• Pores of vertical intervallar structures : Aporous ; Circular pores