Conus spolongensis (Martin, 1916)

Conus spolongensis (Martin, 1916)

Conus quilonensis (Dey, 1961)

Conus tomlini (Dey, 1961)

Il Conus spolongensis è correlato al Conus exaltatus.

Distribuzione: Miocene Inferiore.


RGM.7444 Indonesia, Java Gunung Spolong		RGM.7445 Indonesia, Java Ngampel, T: "Ngampel in Rembang"

RGM.7446a Indonesia, Java Ngampel		RGM.7446b Indonesia, Java Ngampel

Conus spolongensis RGM.784.939 ^(2,3) E’ da notare la protochonca di dimensioni elevate, come è tipico dei Conus orientali.	Conus exaltatus mm. 23,4

Conus spolongensis

Conus spolongensis mm. 29 Miocene – Java (Stefano Granelli)

Conus spolongensis

mm. 14,2 x 6,8

Sangiran – Pliocene

[AZFC 513-01]

Conus spolongensis

mm. 37

Java - Miocene

Conus spolongensis

mm. 31,5

Java - Miocene

Conus spolongensis

RGM.7444

mm. 24

11 spire

Indonesia, Java

Gunung Spolong

Conus spolongensis

mm. 23,0

Java - Miocene

Conus spolongensis

mm. 18,5

Java - Miocene

Conus spolongensis

mm. 14,2 x 6,8

9 spire

Sangiran – Pliocene

[AZFC 513-01]

Conus spolongensis

RGM.7446a

mm. 12,5

Indonesia, Java

Ngampel

Conus dictator

Conus dictator (Melvill, 1898)

mm. 38,1 x 16,6

Rameswaram – India

[AZRC 314-01]

Conus dictator (Melvill, 1898)

mm. 31,4 x 13,4

Rameswaram – India

[AZRC 314-02]


	*Conus dictator* (Melvill, 1898) mm. 38,1 x 16,6 Rameswaram – India [AZRC 314-01]	*Conus dictator* (Melvill, 1898) mm. 31,4 x 13,4 Rameswaram – India [AZRC 314-02]	Conus tomlini Miocene – India

Conus quilonensis (Dey, 1961)

Conus tomlini (Dey, 1961)

Discussion ⁽⁴⁾: TUCKER & TENORIO (2009) list this species as Bathyconus TUCKER & TENORIO, 2009, which is defined mainly on radular morphology. These authors explicitly describe their new genus and its species as deep water cones, as also indicated by the prefix Bathy. In contrast, the Early Miocene specimen was collected in shallow marine sediments with seagrasses dwelling foraminifers (REUTER et al. 2010 ⁽⁷⁾). This habitat is more appropriate for extant species of Fusiconus DA MOTTA, 1991. Aside from the ecological differences, many Bathyconus species display nodes on the angulation of the spire whorls whilst this feature is rarely developed in Fusiconus. Herein, Conus quilonensis is thus included into Fusiconus. It may be closely related to the extant IWP species F. elegans (G.B. SOWERBY III. 1895) which has a similar spire architecture but is more slender.

Fusiconus tomlini (DEY 1961) and F. quilonensis were described from the same locality. Both taxa were separated by DEY (1961) based only on the higher number of spiral sulci in C. tomlini and its smaller size. This species, however, might rather represent a subadult stage of F. quilonensis. A comparable variability concerning the development of sulci is also evident in F. elegans.

Distribution: This species is known so far only from the Burdigalian of Kerala.


Conus quilonensis⁽⁵⁾ Fig. 8 Paratype GSI No 16494 Fig. 9 Paratype GSI No 16495	Conus tomlini⁽⁵⁾ Fig. 29 - Conus (Leptoconus) tomlini Paratype-G.S.I. type No 16497 Fig. 30 - Conus (Leptoconus) tomlini Holotype-G.S.I. type No 16496 I have not had the opportunity to read the description or to see the GSI specimens: I limit myself to observing a notable similarity with the Syntype of Conus cosmetulus
	Text-fig. 1. Stratigraphy and geographic setting of the Channa Kodi section in South West India modified from REUTER et al. (2010). The shaded area in the stratigraphic table indicates the position within the planktonic foraminifera zone N5/M2 and nannoplankton zone NN3. ⁽⁴⁾
Conus quilonensis ⁽⁴⁾ NHMW 2011/0235/0105 (Pag. 115) Miocene – Burdigaliano Kerala - India mm. 10,8 x 4,8


Conus wilmeri NMW Holotype 1955.158.36 mm. 21,0 x 8,0 Port Blair	Conus quilonensis ⁽⁴⁾ NHMW 2011/0235/0105 Miocene – Burdigaliano Kerala - India mm. 10,8 x 4,8

Conus wilmeri (Sowerby III, 1882)

Conus wilmeri Sowerby iii, 1882 Primary Type Image

Conus wilmeri

NMW Holotype 1955.158.36

mm. 21,0 x 8,0

Port Blair