Taxonomic notes on Recent Foraminifera from the Continental Shelf-Slope Region of Southwestern Bay of Bengal, East Coast of India Author Symphonia, Tabita K. Author Senthil, Nathan D. text Palaeontologia Electronica 2019 55 A 2019-09-30 22 3 1 89 http://dx.doi.org/10.26879/811 journal article 294848 10.26879/811 d1000324-a875-4ee8-805d-0f61ee41f4d7 1094-8074 10961656 Lenticulina gibba (d’Orbigny, 1839a) Figure 2.5 1839a Cristellaria gibba d’Orbigny , p. 292, no. 17. 2001 Lenticulina gibba (d’Orbigny) ; Szarek, p. 203, pl. 15, figs. 1-2. TABLE 2. List of species showing>5% abundance in surface sediment samples.

Sample Id Depth(m)	S1 20	S2 32	S3 63	S4 8	S5 21	S6 35	S7 63	S8 8	S9 28	S10 46	S11 71	S12 86
Ammonia beccarii	22	13	16	37	4	3	5	22	22	10	4	8
Rotalidium annectens	34	21	8	5	7	12
Asterorotalia dentata	3	11	25	2
Rotalinoides compressiuscula	21	31	3	14	5	34	31
Quinqueloculina subparkeri	7	5	11	2	5	1	2
Quinqueloculina seminula	14	19	4	7	2	20	19	20	7	13	10	23
Lachlanella barnadi	14	13	4	3	3	2
Quinqueloculina lamarckiana	3	10	6	8	3	1
Quinqueloculina agglutinans	31	5	10	5	5	16	11	4	2	19	3	7
Triloculina trigonula	10	3	21	4
Triloculina insignis	9	10	7	4	8	2	2
Triloculina tricarinata	5	3	12	4	10	6	1	8
Amphistegina radiata	28	8	28	6	8	83	50	10	59	55	51
Amphistegina lessonii	3	17	12	17	26	3	16
Amphistegina papillosa	6	9	8	15	9	2	30	27	30
Amphistegina gibbosa	8	3	4	21
Amphistegina bicirculata	9	17	22
Elphidium crispum	14	6	7	3	31	9	4	4	13	8	7
Elphidium advenum var. depressulum	13	13	5	3	3	14
Elphidium macellum	17	3	12	6
Textularia agglutinans	3	16	8	2	6	13	4	8
Spiroplectammina sagittula	2	4	2	7	7	5
Cibicides wuellerstorfi	16	13	69	3	10	9	37	4	9
Cibicides praecinctus	15	11	1
Cibicides kullenbergi	2	9	6	9	9	15
Nonionellina labradorica	5	10	8	2
Nonionoides elongatum	2	4	19	3	15	6
Nonion commune	11	10
Eponides repandus	2	4	1	8
Operculina ammonoides	5	33	4	7	10	9
Operculina granulosa	5	1	11	4	3	6	24	12	13
Rosalina globularis	20	4	10
Lenticulina orbicularis	16	9	4	3	5
Rotalinoides gaimardi	6	3
Pararotalia nipponica	10	1	2
Neorotalia calcar
Globigerinoides sacculifer	3	5	25	7	1	2	4	7	39	12	34	7
Neogloboquadrina dutertrei	3	2	5	3	20
Globigerinella calida	2	2	2	1	2	11	2	1
Globigerina bulloides	4	1	1	2	1
Globigerinoides ruber	1	2	3	2	3	5	5
Globigerinella siphonifera	6	1	1	2	1	1

TABLE 3. List of species showing>5% abundance in the core sample C1 (Off Chennai).

Depth (cm)	1	2	3	4	5	7	9	11	13	15	17
Riminopsis asterizans	3	5	7	5	1	3	4	2	2
Nonionellina labradorica	33	19	42	32	18	33	12	25	10	22	25
Nonionoides boueana	10	18	18	10	12	15	10	13	20	6	15
Nonionina elongata	6	5	7	1	2	10	12	2	3	3
Nonion commune	17	9	1	3	6	6	8	7	15
Nonionoides turgida	4	1	1	8	9	3	4
Nonionoides grateloupii	2	10	2	1
Cibicides wuellerstorfi	53	20	32	25	11	3	44	32	22	44	41
Cancris auriculus	2	2	2	2	1	2	8
Rotalinoides compressiucula	12	32	43	34	28	28	31	23	28	29	24
Asterorotalia dentata	5	15	8	11	20	18	6	12	3
Asterorotalia pulchella	28	11	21	31	46	23	10	17	25	9	5
Rotalidium annectens	4	21	34	25	73	43	7	2	34	6	3
Ammonia beccarii	17	10	8	2	5	17	20	4	26	13
Amphistegina radiata	3	2	4	2	4	1
Bolivina persiensis	2	3	1	5	3	12	6
Bolivina striatula	1	4	2	6	3	4	2
Bolivina spathulata	21	1	6	29
Pseudobrizalina lobata	2	2	2
Bulimina marginata	1	2	1	1
Siphouvigerina proboscidea	3	5	3	4
Stainforthia fusiformis	1	3	5	3	4
Textularia pseudogramen	8	7	2	4	10	5	8	17	2	3
Sahulia conica	6	12	4	5	12	19	5	9	19	9	5
Textularia agglutinans	6	10	5	16	13	3	4	8	6	1
Bigeneria nodosaria	3	18	14	12	33	21	2	8	25	5	5
Quinqueloculina undulose costata	1	2	5	1	2	1	6	5	2
Quinqueloculina seminula	2	3	1	3	8	10	5	10	5
Quinqueloculina lamarckiana	4	4	3	10	4	2	6	4	4	4
Massilina laevigata	1	2	2	3	2
Quinqueloculina bosciana	4	2	3	7
Miliolid sp.	2	6	3	5	1	4	1	3	2	2
Rosalina globularis	5	10	4	6	9
Martinottiella cylindrica	3	3	3	3	5	6	5	2
Globigerina bulloides	15	8	5	13	9	12	9	4	6	13	7
Globogerinoides sacculifer	13	16	19	11	17	15	9	14	16	22	10
Globigerinella calida	5	10	5	11	15	4	9	3	2	8	9
Globigerinella aequilateralis	4	11	5	5	6	2	6	7	3	5
Globigerinoides ruber	2	4	8	5	5	3	2	2
Neogloboquadrina duetertrei	5	4	8	16	15	9	3	7	8	4	5

TABLE 4. List of species showing>5% abundance in the core sample C2 (Off Emerald Island).

Depth (cm)	1	2	3	4	5	7	9	11	13	15	17
Quinqueloculina seminula	15	14	9	8	7	3	8	10	9	11	16
Quinqueloculina lamarckiana	20	15	12	7	14	9	8	17	13	4	8
Quinqueloculina laevigata	11	7	5	6	3	6	15	20	9	9
Quinqueloculina parkeri	3	4	2	3	7	2	2	3	2	5
Quinqueloculina agglutinans	14	6	4	10	24	12	15	15	3	12	5
Quinqueloculina barnadi	4	6	2	5	3	2	4	5	3
Quinqueloculina undulose costata	5	4	2	1	3	3	3
Quinqueloculina bosciana	5	3	10	4	5
Miliolid sp.	2	2	3	3	4
Miliolinella circularis	3	2	4	2	4	2
Triloculina insignis	12	12	3	5	6	6	4	3	8	9
Pseudotriloculina sp.	8	4	3	2	1	5
Triloculina trigonula	4	11	9	12	10	11	7	7	4	23	9
Triloculina echinata	2	4	5	5	1	1	3	4
Triloculina tricarinata	2	11	8	3	6	7	8	6	13	13	15
Spiroloculina depressa	4	5	3	7	6	3	3	6	3	3
Spiroloculina excavata	2	3	2	3	2	2	3	3
Spiroloculina orbis	4	3	5	3	5	1	3
Spiroloculina sp.	7	4	1	3	3	4
Ammonia beccarii	16	15	22	23	13	24	23	10	30	13	15
Asterorotalia dentata	4	7	7	3	6	9	7	3	3	5	4
Rotalidium annectens	8	19	7	16	8	8	7	4	3	16
Ammonia tepida	2	1	9	2	3
Rotalinoides compressiuscula	21	15	17	24	11	28	23	19	17	21	14
Amphistegina radiata	4	3	5	2	1	1	4	3	3
Cribroelphidium excavatum	30	22	19	20	17	20	15	4	5	8	11
Elphidium crispum	15	12	17	8	12	11	17	7	13	20	13
Elphidium macellum	21	18	28	13	18	25	13	3	10	8	6
Elphidium asiaticum	8	6	8	4	5	7	4	2	5	8	3
Cibicides wuellerstorfi	46	44	51	38	45	28	68	66	63	39	41
Lobatula lobatula	6	7	4	4
Nonionoides boueana	6	4	3	1	2	4	5	3
Nonionella labradorica	4	5	8	2	1	4	3	3
Nonionoides elongatum	10	11	14	9	11	13	22	20	17	19	22
Nonion commune	4	5	6	5	3	4	2	8
Riminopsis asterizans	5	4	3	3	5	1	2
Pararotalia calcariformata	7	6	6	4	3	7	1	1	3	4	3
Operculina granulosa	5	3
Rosalina globularis	5	6	8	5	3	17	15	3	7
Asterorotalia inflata	2
Globigerina bulloides	5	4	4	2	5	4	2	3	3	6
Globigerinoides sacculifer	3	6	6	5	3	2	5	7	6	8
Globigerinella calida	3	5	4	2	3	3	3	3
Globigerinoides ruber	2	3	2	2	2

TABLE 5. List of species showing>5% abundance in the core sample C3 (Off Cuddalore).

Depth (cm)	1	2	3	4	5	7	9	11	13	15	17
Nonionoides elongatum	11	7	18	38	18	9	15	16	11	18	8
Nonion fabum	27	9	26	18	11	12	21	30	10	19	2
Nonionellina labradorica	45	93	87	57	84	90	98	75	63	53	99
Elphidium asiaticum	5	1	3	1	2	2	2	4
Spiroloculina excavata	3	2	2	3	7	1	2	1	1
Spiroloculina antillarum	2	8	12	8	7	11	9	1	4	4	3
Spiroloculina depressa	1	1	1	3	2	5	5	1	1	4	1
Ammonia beccarii	11	13	6	12	13	10	12	6	27	19	28
Asterorotalia dentata	5	9	12	13	14	12	5	2	9
Ammonia tepida	1	1	2	3	4	18	36	14	3
Triloculina tricarinata	5	9	3	7	8	12	3	6	8	8	11
Triloculina trigonula	10	20	13	4	11	9	9	8	9	16	4
Elphidium crispum	21	31	19	22	17	16	25	22	17	17	25
Elphidium hispidulum	6	12	5	6	5	11	10	10	3	8	7
Cibicides wuellerstorfi	34	24	19	33	23	22	24	24	33	32	34
Lobatula lobatula	4	3	2	2	10	1	1
Cibicides kullenbergi	1	1	1	2	1	2	1	1	2
Quinqueloculina lamarckiana	4	8	6	3	1	2	1
Adelosina longirostra	2	1	2	1	1	3	12	12
Rotalinoides compressiuscula	6	2	4	3	6	8	8	11	10	21	16
Rotalidium annectens	2	4	3	9	3	4
Neorotalia calcar	8	12	3	2	2	2
Globigerina bulloides	1	2	5	7	7	4	3	5	8

2002 Lenticulina gibba (d’Orbigny) ; Kaminski, Aksu, Box, Hiscott, Filipescu, and Al-Salameen, p. 172, pl. 2, fig. 6. 2010 Lenticulina gibba (d’Orbigny) ; Margreth, p. 150, pl. 12, fig. 7a-b. 2012 Lenticulina gibba (d’Orbigny) ; Debenay, p. 223. Description. Test oblong, biconvex, wall finely perforate, surface smooth; chambers elongate, gradually increasing in size, chamber arrangement planispiral; periphery slightly keeled, sutures curved; aperture terminal, radiate, with a slightly longer slit on the apertural side.