Archaeocyathan knowledge base (Cambrian)

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Chouberticyathus

Chouberticyathus DEBRENNE, 1964

Specimen-type: Chouberticyathus clatratus holotype, DEBRENNE, 1964, pl. 32, fig. 1-3

Systematics:
Order: ARCHAEOCYATHIDA Okulitch, 1935
Suborder: ARCHAEOCYATHINA Okulitch, 1935>
Superfamily: DICTYOCYATHOIDEA Taylor, 1910
Family: DICTYOCYATHIDAE Taylor, 1910

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Outer wall

• Presence of carcass external plates: outer wall or single wall (OW/SW) : None
• Type of carcass perforations: outer wall or single wall (OW/SW) : None
• 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
• Structure of outer carcass wall (OW/SW) : Carcass wall well defined
• Type of additional sheath (OW/SW) : None

Inner wall

• Shape of carcass perforations openings (IW) : Simple
• Rows number of carcass pores per intertabula (IW) : No tabula
• 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) : None
• Presence of stipules (IW) : None
• Rows number of carcass perforations per intersept (IW) : 1 row 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 : Taeniae
• Repartition of vertical intervallar structures pores : ?
• 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 : China ; Europe ; 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
• Europe : Iberia ; Italia: Sardinia
• Botoman : 1
• Type of modularity : Branching by external budding ; Branching by longitudinal subdivisions
• Cup shapes : Cylindrical-conical
• Type of other aquiferous unit : None

Systematic

• Orders : Archaeocyathida
• Superfamillies inside the Archaeocyathina : Dictyocyathoidea
• Suborders inside the Archaeocyathida : Archaeocyathina
• Cup shapes : Cylindrical-conical
• Famillies inside the Archaeocyathina : Dictyocyathidae

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 external budding ; Branching by longitudinal subdivisions
• 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
• Presence of chambers : None
• Type of other aquiferous unit : None
• 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) : None
• 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 : Taeniae
• 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 (IW) : 1 row 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 modularity : Branching by external budding ; Branching by longitudinal subdivisions
• Type of habitus : Solitary ; Modular
• Type of carcass perforations: outer wall or single wall (OW/SW) : None
• 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
• Type of vertical intervallar structures : Taeniae
• Repartition of vertical intervallar structures pores : ?
• 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
• Type of additional sheath (OW/SW) : None
• Type of additional sheath (IW) : None
• Presence of stipules (IW) : None
• Shape of morphological tubes (OW/SW) : None
• Rows number of carcass pores per intertabula (IW) : No tabula
• 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
• Type of carcass perforations: outer wall or single wall (OW/SW) : None
• 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) : No tabula
• 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 vertical intervallar structures : Taeniae
• Repartition of vertical intervallar structures pores : ?
• 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)
• 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 (IW) : 1 row per intersept only
• Shape of carcass perforations openings (IW) : Simple
• Porosity of vertical intervallar structures : Multiperforate
• Type of links between intervallar structures : None
• Subdivision of carcass perforations openings (IW) : Without subdivision

Tangential section

• Shape of carcass perforations openings (IW) : Simple
• Presence of thorny corolla : None
• Repartition of vertical intervallar structures pores : ?
• Porosity type of vertical intervallar structures : Coarsely porous
• Pores shape of vertical intervallar structures : Circular pores
• Subdivision of carcass perforations openings (IW) : Without subdivision

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Base mise à jour le 11 mars 2014 | Page générée avec Xper2 le 11 mars 2014